ENH: remove reliance on the Xfer class (issue #639)

This class is largely a pre-C++11 holdover. It is now possible to
simply use move construct/assignment directly.

In a few rare cases (eg, polyMesh::resetPrimitives) it has been
replaced by an autoPtr.

applications/solvers/combustion/chemFoam/createSingleCellMesh.H

@@ -1,8 +1,5 @@
 Info<< "Constructing single cell mesh" << nl << endl;
 
-labelList owner(6, label(0));
-labelList neighbour(0);
-
 pointField points(8);
 points[0] = vector(0, 0, 0);
 points[1] = vector(1, 0, 0);
@@ -24,10 +21,10 @@ fvMesh mesh
         runTime,
         IOobject::READ_IF_PRESENT
     ),
-    xferMove<pointField>(points),
+    std::move(points),
-    faces.xfer(),
+    std::move(faces),
-    owner.xfer(),
+    labelList(6, Zero), // owner
-    neighbour.xfer()
+    labelList()         // neighbour
 );
 
 List<polyPatch*> patches(1);

applications/test/Dictionary/Test-Dictionary.C

@@ -180,7 +180,7 @@ int main(int argc, char *argv[])
     {
         std::cout<< "iter: " << typeid(*iter).name() << '\n';
 
-        Info<< "elem = " << *(*iter) << endl;
+        // Info<< "elem = " << *(*iter) << endl;
     }
 
     std::cout<< "iter type: "

applications/test/DynamicList/Test-DynamicList.C

@@ -194,13 +194,13 @@ int main(int argc, char *argv[])
 
     printInfo("dlC", dlC, true);
 
-    List<label> lstB(dlC.xfer());
+    List<label> lstB(std::move(dlC));
 
-    Info<< "Transferred to normal list via the xfer() method" << endl;
+    Info<< "Move construct to normal list" << endl;
     printInfo("lstB", lstB, true);
     printInfo("dlC", dlC, true);
 
-    DynamicList<label> dlD(lstB.xfer());
+    DynamicList<label> dlD(std::move(lstB));
 
     Info<< "Transfer construct from normal list" << endl;
     printInfo("lstB", lstB, true);
@@ -279,7 +279,7 @@ int main(int argc, char *argv[])
         Info<< "list in:  " << flatOutput(list1) << nl
             << "list out: " << flatOutput(list2) << endl;
 
-        input2 = std::move(identity(15));
+        input2 = identity(15);  // don't need std::move() on temporary object
         list2 = std::move(input2);
         Info<< "list in:  " << flatOutput(input2) << nl
             << "list out: " << flatOutput(list2) << endl;

applications/test/IListStream/Test-IListStream.C

@@ -102,7 +102,14 @@ int main(int argc, char *argv[])
 
     Info<< "transfer contents to a List" << endl;
 
-    IListStream ibuf(obuf.xfer());
+    IListStream ibuf;
+
+    // Reclaim data storage from OListStream -> IListStream
+    {
+        List<char> data;
+        obuf.swap(data);
+        ibuf.swap(data);
+    }
 
     Info<< nl;
     Info<< nl << "input string:";

applications/test/IndirectList/Test-IndirectList.C

@@ -95,7 +95,7 @@ int main(int argc, char *argv[])
 
     inplaceReverseList(addresses);
 
-    idl1.resetAddressing(addresses.xfer());
+    idl1.resetAddressing(std::move(addresses));
 
     printInfo(idl1);
 

applications/test/List/Test-List.C

@@ -190,8 +190,8 @@ int main(int argc, char *argv[])
     list2.setSize(10, vector(1, 2, 3));
     Info<< "list2: " << list2 << endl;
 
-    List<vector> list3(list2.xfer());
+    List<vector> list3(std::move(list2));
-    Info<< "Transferred via the xfer() method" << endl;
+    Info<< "Move construct" << endl;
     Info<< "list2: " << list2 << nl
         << "list3: " << list3 << endl;
 

applications/test/OListStream/Test-OListStream.C

@@ -129,7 +129,13 @@ int main(int argc, char *argv[])
 
     Info<< "transfer contents to a List or IListStream" << nl;
 
-    IListStream ibuf(obuf.xfer());
+    IListStream ibuf;
+    // Reclaim data storage from OListStream -> IListStream
+    {
+        List<char> data;
+        obuf.swap(data);
+        ibuf.swap(data);
+    }
 
     Info<<"original:";
     printInfo(obuf);
@@ -141,6 +147,7 @@ int main(int argc, char *argv[])
 
     // Create from other storage types
 
+    List<char> written;
     Info<< nl;
     {
         Info<<"create std::move(List)" << endl;
@@ -163,35 +170,9 @@ int main(int argc, char *argv[])
         toString(Info, list) << endl;
 
         printInfo(buf1);
-    }
-
-    Info<< nl;
-
-    List<char> written;
-    {
-        Info<<"create List.xfer()" << endl;
-        List<char> list(16, 'B');
-
-        Info<<"input:";
-        toString(Info, list) << endl;
-
-        OListStream buf1(list.xfer());
-        for (label i = 0; i < 26; ++i)
-        {
-            buf1 << char('A' + i);
-        }
-        for (label i = 0; i < 26; ++i)
-        {
-            buf1 << char('a' +i);
-        }
-
-        Info<<"orig:";
-        toString(Info, list) << endl;
-
-        printInfo(buf1);
 
         // Move back to written
-        written = buf1.xfer();
+        buf1.swap(written);
 
         printInfo(buf1);
     }

applications/test/PtrList/Test-PtrList.C

@@ -147,8 +147,8 @@ int main(int argc, char *argv[])
 
     Info<<"list1: " << list1 << endl;
 
-    PtrList<Scalar> list3(list1.xfer());
+    PtrList<Scalar> list3(std::move(list1));
-    Info<< "Transferred via the xfer() method" << endl;
+    Info<<"Move constructed" << endl;
 
     Info<<"list1: " << list1 << nl
         <<"list2: " << list2 << nl

applications/test/dictionary/Test-dictionary.C

@@ -71,7 +71,7 @@ int main(int argc, char *argv[])
                 << "keys: " << dict1.keys() << nl
                 << "patterns: " << dict1.keys(true) << endl;
 
-            dictionary dict2(dict1.xfer());
+            dictionary dict2(std::move(dict1));
 
             Info<< "dict1.toc(): " << dict1.name() << " " << dict1.toc() << nl
                 << "dict2.toc(): " << dict2.name() << " " << dict2.toc()

applications/test/mapDistributePolyMesh/Test-mapDistributePolyMesh.C

@@ -51,7 +51,9 @@ int main(int argc, char *argv[])
     const scalar instanceValue(0.005);
 
 
-    IOobject io
+    IOmapDistributePolyMesh map
+    (
+        IOobject
         (
             "procAddressing",
             instance,
@@ -60,10 +62,9 @@ int main(int argc, char *argv[])
             IOobject::MUST_READ,
             IOobject::NO_WRITE,
             false
+        )
     );
 
-    IOmapDistributePolyMesh map(io);
-
     {
         // Load the instance mesh
         runTime.setTime(instanceValue, 0);
@@ -112,7 +113,6 @@ int main(int argc, char *argv[])
             }
         }
 
-
         {
             const mapDistribute& cellMap = map.cellMap();
             pointField cc(mesh.cellCentres());

applications/test/mesh/Test-mesh.C

@@ -91,7 +91,7 @@ int main(int argc, char *argv[])
                 runTime,
                 Foam::IOobject::NO_READ
             ),
-            Xfer<pointField>(points),
+            std::move(points),
             shapes,
             boundaryFaces,
             boundaryPatchNames,

applications/test/parallel/Test-parallel.C

@@ -111,7 +111,7 @@ void testMapDistribute()
     }
 
     // Construct distribute map (destructively)
-    mapDistribute map(constructSize, sendMap.xfer(), recvMap.xfer());
+    mapDistribute map(constructSize, std::move(sendMap), std::move(recvMap));
 
     // Distribute complexData
     map.distribute(complexData);

applications/test/primitivePatch/Test-PrimitivePatch.C

@@ -246,15 +246,16 @@ int main(int argc, char *argv[])
         writeFaceFaces(localPoints, localFaces, faceFaces);
     }
 
-    // Test construction from Xfer
+    // Move construct
     {
         faceList patchFaces = patch;
         pointField allPoints = patch.points();
 
         PrimitivePatch<face, List, pointField, point> storedPatch
         (
-            patchFaces.xfer(),
+            patchFaces,
-            allPoints.xfer()
+            allPoints,
+            true
         );
     }
 

applications/test/surfaceMeshConvert/Test-surfaceMeshConvert.C

@@ -413,9 +413,9 @@ int main(int argc, char *argv[])
             surf.writeStats(Info);
             Info<< endl;
 
-            ModifiableMeshedSurface<face> tsurf(surf.xfer());
+            ModifiableMeshedSurface<face> tsurf(std::move(surf));
-            // ModifiableMeshedSurface<face> tsurf;
+            // ModifiableMeshedSurface<face> xtsurf;
-            // tsurf.reset(surf.xfer());
+            // xtsurf.transfer(surf);
 
             Info<< "in-progress" << nl;
             surf.writeStats(Info);
@@ -515,7 +515,7 @@ int main(int argc, char *argv[])
                     IOobject::NO_WRITE,
                     false
                 ),
-                surf.xfer()
+                std::move(surf)
             );
 
             Info<< "writing surfMesh as well: " << surfOut.objectPath() << endl;
@@ -546,7 +546,6 @@ int main(int argc, char *argv[])
             surfOut.setInstance(runTime.timeName());
 
 
-
             Info<< "writing surfMesh again well: " << surfOut.objectPath()
                 << endl;
             surfOut.write();

applications/utilities/mesh/advanced/refinementLevel/refinementLevel.C

@@ -214,9 +214,9 @@ int main(int argc, char *argv[])
             runTime.timeName(),
             runTime
         ),
-        xferCopy(mesh.points()),   // could we safely re-use the data?
+        pointField(mesh.points()),  // Could we safely re-use the data?
-        xferCopy(mesh.faces()),
+        faceList(mesh.faces()),
-        xferCopy(mesh.cells())
+        cellList(mesh.cells())
     );
 
     // Add the boundary patches

applications/utilities/mesh/conversion/ansysToFoam/ansysToFoam.L

@@ -446,11 +446,8 @@ int main(int argc, char *argv[])
     const word defaultFacesName = "defaultFaces";
     word defaultFacesType = emptyPolyPatch::typeName;
 
-    // Create dummy mesh just to find out what are internal/external
+    // Create dummy mesh just to find out what are internal/external faces
-    // faces
+    auto dummyMesh = autoPtr<polyMesh>::New
-    autoPtr<polyMesh> dummyMesh
-    (
-        new polyMesh
     (
         IOobject
         (
@@ -458,15 +455,14 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-            xferCopy(points),
+        pointField(points),  // copy
         cellShapes,
-            faceListList(0),
+        faceListList(),
-            wordList(0),
+        wordList(),
-            wordList(0),
+        wordList(),
         defaultFacesName,
         defaultFacesType,
-            wordList(0)
+        wordList()
-        )
     );
 
 
@@ -605,7 +601,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(points),
+        std::move(points),
         cellShapes,
         patchFaces,
         patchNames,
@@ -615,7 +611,7 @@ int main(int argc, char *argv[])
     );
 
 
-    if (cellTypes.size() > 0 || patchNames.size() > 0)
+    if (cellTypes.size() || patchNames.size())
     {
         DynamicList<pointZone*> pz;
         DynamicList<faceZone*> fz;

applications/utilities/mesh/conversion/cfx4ToFoam/cfx4ToFoam.C

@@ -739,7 +739,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(points),
+        std::move(points),
         cellShapes,
         boundary,
         patchNames,

applications/utilities/mesh/conversion/fluent3DMeshToFoam/fluent3DMeshToFoam.L

@@ -945,10 +945,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferCopy(pointField()),
+        Zero
-        xferCopy(faceList()),
-        xferCopy(labelList()),
-        xferCopy(labelList())
     );
 
 

applications/utilities/mesh/conversion/fluentMeshToFoam/fluentMeshToFoam.L

@@ -1175,7 +1175,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(points),
+        std::move(points),
         cellShapes,
         patches,
         patchNames,

applications/utilities/mesh/conversion/gambitToFoam/gambitToFoam.L

@@ -853,7 +853,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(points),
+        std::move(points),
         cells,
         boundary,
         patchNames,

applications/utilities/mesh/conversion/gmshToFoam/gmshToFoam.C

@@ -931,7 +931,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(points),
+        std::move(points),
         cells,
         boundaryFaces,
         boundaryPatchNames,

applications/utilities/mesh/conversion/ideasUnvToFoam/ideasUnvToFoam.C

@@ -1128,17 +1128,13 @@ int main(int argc, char *argv[])
             << nl << endl;
 
         // Create globally numbered surface
-        meshedSurface rawSurface
+        meshedSurface rawSurface(polyPoints, boundaryFaces);
-        (
-            xferCopy(polyPoints),
-            xferCopyTo<faceList>(boundaryFaces)
-        );
 
         // Write locally numbered surface
         meshedSurface
         (
-            xferCopy(rawSurface.localPoints()),
+            rawSurface.localPoints(),
-            xferCopy(rawSurface.localFaces())
+            rawSurface.localFaces()
         ).write(runTime.path()/"boundaryFaces.obj");
     }
 
@@ -1171,14 +1167,14 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(polyPoints),
+        std::move(polyPoints),
         cellVerts,
         usedPatchFaceVerts,     // boundaryFaces,
         usedPatchNames,         // boundaryPatchNames,
         wordList(patchNames.size(), polyPatch::typeName), // boundaryPatchTypes,
         "defaultFaces",         // defaultFacesName
         polyPatch::typeName,    // defaultFacesType,
-        wordList(0)                 // boundaryPatchPhysicalTypes
+        wordList()              // boundaryPatchPhysicalTypes
     );
 
     // Remove files now, to ensure all mesh files written are consistent.

applications/utilities/mesh/conversion/kivaToFoam/readKivaGrid.H

@@ -565,7 +565,7 @@ polyMesh pShapeMesh
         runTime.constant(),
         runTime
     ),
-    xferMove(points),
+    std::move(points),
     cellShapes,
     boundary,
     patchNames,

applications/utilities/mesh/conversion/mshToFoam/mshToFoam.C

@@ -144,14 +144,14 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(points),
+        std::move(points),
         cells,
-        faceListList(0),
+        faceListList(),
-        wordList(0),
+        wordList(),
-        wordList(0),
+        wordList(),
         "defaultFaces",
         polyPatch::typeName,
-        wordList(0)
+        wordList()
     );
 
     // Set the precision of the points data to 10

applications/utilities/mesh/conversion/netgenNeutralToFoam/netgenNeutralToFoam.C

@@ -303,7 +303,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(points),
+        std::move(points),
         cells,
         patchFaces,
         patchNames,

applications/utilities/mesh/conversion/plot3dToFoam/plot3dToFoam.C

@@ -247,7 +247,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(newPoints),
+        std::move(newPoints),
         cellShapes,
         boundary,
         patchNames,

applications/utilities/mesh/conversion/tetgenToFoam/tetgenToFoam.C

@@ -318,9 +318,7 @@ int main(int argc, char *argv[])
     // Construct mesh with default boundary only
     //
 
-    autoPtr<polyMesh> meshPtr
+    auto meshPtr = autoPtr<polyMesh>::New
-    (
-        new polyMesh
     (
         IOobject
         (
@@ -328,15 +326,14 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-            xferCopy(points),
+        pointField(points),  // Copy of points
         cells,
-            faceListList(0),
+        faceListList(),
-            wordList(0),    // boundaryPatchNames
+        wordList(),          // boundaryPatchNames
-            wordList(0),    // boundaryPatchTypes
+        wordList(),          // boundaryPatchTypes
         "defaultFaces",
         polyPatch::typeName,
-            wordList(0)
+        wordList()
-        )
     );
     const polyMesh& mesh = *meshPtr;
 
@@ -531,7 +528,7 @@ int main(int argc, char *argv[])
                     runTime.constant(),
                     runTime
                 ),
-                xferMove(points),
+                std::move(points),
                 cells,
                 patchFaces,
                 patchNames,

applications/utilities/mesh/conversion/vtkUnstructuredToFoam/vtkUnstructuredToFoam.C

@@ -68,14 +68,14 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferMove(reader.points()),
+        std::move(reader.points()),
         reader.cells(),
-        faceListList(0),
+        faceListList(),
-        wordList(0),
+        wordList(),
-        wordList(0),
+        wordList(),
         "defaultFaces",
         polyPatch::typeName,
-        wordList(0)
+        wordList()
     );
 
     // Set the precision of the points data to 10

applications/utilities/mesh/generation/blockMesh/blockMesh.C

@@ -277,7 +277,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        xferCopy(blocks.points()),           // could we re-use space?
+        pointField(blocks.points()),  // Copy, could we re-use space?
         blocks.cells(),
         blocks.patches(),
         blocks.patchNames(),

applications/utilities/mesh/generation/extrude/extrudeMesh/extrudedMesh/extrudedMesh.H

@@ -63,7 +63,7 @@ class extrudedMesh
 
         //- Construct and return the extruded mesh points
         template<class Face, template<class> class FaceList, class PointField>
-        Xfer<pointField> extrudedPoints
+        pointField extrudedPoints
         (
             const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
             const extrudeModel&
@@ -71,7 +71,7 @@ class extrudedMesh
 
         //- Construct and return the extruded mesh faces
         template<class Face, template<class> class FaceList, class PointField>
-        Xfer<faceList> extrudedFaces
+        faceList extrudedFaces
         (
             const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
             const extrudeModel&
@@ -79,7 +79,7 @@ class extrudedMesh
 
         //- Construct and return the extruded mesh cells
         template<class Face, template<class> class FaceList, class PointField>
-        Xfer<cellList> extrudedCells
+        cellList extrudedCells
         (
             const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
             const extrudeModel&
@@ -87,10 +87,10 @@ class extrudedMesh
 
 
         //- Disallow default bitwise copy construct
-        extrudedMesh(const extrudedMesh&);
+        extrudedMesh(const extrudedMesh&) = delete;
 
         //- Disallow default bitwise assignment
-        void operator=(const extrudedMesh&);
+        void operator=(const extrudedMesh&) = delete;
 
 
 public:

applications/utilities/mesh/generation/extrude/extrudeMesh/extrudedMesh/extrudedMeshTemplates.C

@@ -34,7 +34,7 @@ template
     template<class> class FaceList,
     class PointField
 >
-Foam::Xfer<Foam::pointField> Foam::extrudedMesh::extrudedPoints
+Foam::pointField Foam::extrudedMesh::extrudedPoints
 (
     const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
     const extrudeModel& model
@@ -47,9 +47,9 @@ Foam::Xfer<Foam::pointField> Foam::extrudedMesh::extrudedPoints
 
     pointField ePoints((nLayers + 1)*surfacePoints.size());
 
-    for (label layer=0; layer<=nLayers; layer++)
+    for (label layer=0; layer <= nLayers; ++layer)
     {
-        label offset = layer*surfacePoints.size();
+        const label offset = layer*surfacePoints.size();
 
         forAll(surfacePoints, i)
         {
@@ -62,13 +62,12 @@ Foam::Xfer<Foam::pointField> Foam::extrudedMesh::extrudedPoints
         }
     }
 
-    // return points for transferring
+    return ePoints;
-    return xferMove(ePoints);
 }
 
 
 template<class Face, template<class> class FaceList, class PointField>
-Foam::Xfer<Foam::faceList> Foam::extrudedMesh::extrudedFaces
+Foam::faceList Foam::extrudedMesh::extrudedFaces
 (
     const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
     const extrudeModel& model
@@ -188,13 +187,13 @@ Foam::Xfer<Foam::faceList> Foam::extrudedMesh::extrudedFaces
             );
     }
 
-    // return points for transferring
+
-    return xferMove(eFaces);
+    return eFaces;
 }
 
 
 template<class Face, template<class> class FaceList, class PointField>
-Foam::Xfer<Foam::cellList> Foam::extrudedMesh::extrudedCells
+Foam::cellList Foam::extrudedMesh::extrudedCells
 (
     const PrimitivePatch<Face, FaceList, PointField>& extrudePatch,
     const extrudeModel& model
@@ -295,8 +294,7 @@ Foam::Xfer<Foam::cellList> Foam::extrudedMesh::extrudedCells
         facei++;
     }
 
-    // return points for transferring
+    return eCells;
-    return xferMove(eCells);
 }
 
 

applications/utilities/mesh/generation/extrude/extrudeToRegionMesh/extrudeToRegionMesh.C

@@ -1880,7 +1880,7 @@ int main(int argc, char *argv[])
             }
         }
     }
-    const primitiveFacePatch extrudePatch(zoneFaces.xfer(), mesh.points());
+    const primitiveFacePatch extrudePatch(std::move(zoneFaces), mesh.points());
 
 
     Pstream::listCombineGather(isInternal, orEqOp<bool>());
@@ -2405,10 +2405,7 @@ int main(int argc, char *argv[])
             IOobject::AUTO_WRITE,
             false
         ),
-        xferCopy(pointField()),
+        Zero,
-        xferCopy(faceList()),
-        xferCopy(labelList()),
-        xferCopy(labelList()),
         false
     );
 

applications/utilities/mesh/generation/extrude2DMesh/extrude2DMesh/patchToPoly2DMesh/patchToPoly2DMesh.C

@@ -247,7 +247,7 @@ void Foam::patchToPoly2DMesh::addPatchFacesToOwner()
             << nExternalEdges << endl;
     }
 
-    owner_ = newOwner.xfer();
+    owner_.transfer(newOwner);
 }
 
 

applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshApp.C

@@ -184,9 +184,7 @@ int main(int argc, char *argv[])
 
         poly2DMesh.createMesh();
 
-        mesh.reset
+        mesh = autoPtr<polyMesh>::New
-        (
-            new polyMesh
         (
             IOobject
             (
@@ -197,11 +195,10 @@ int main(int argc, char *argv[])
                 IOobject::NO_WRITE,
                 false
             ),
-                xferMove(poly2DMesh.points()),
+            std::move(poly2DMesh.points()),
-                xferMove(poly2DMesh.faces()),
+            std::move(poly2DMesh.faces()),
-                xferMove(poly2DMesh.owner()),
+            std::move(poly2DMesh.owner()),
-                xferMove(poly2DMesh.neighbour())
+            std::move(poly2DMesh.neighbour())
-            )
         );
 
         Info<< "Constructing patches." << endl;
@@ -224,9 +221,7 @@ int main(int argc, char *argv[])
     }
     else if (surfaceFormat == POLYMESH2D)
     {
-        mesh.reset
+        mesh = autoPtr<polyMesh>::New
-        (
-            new polyMesh
         (
             Foam::IOobject
             (
@@ -235,7 +230,6 @@ int main(int argc, char *argv[])
                 runTimeExtruded,
                 Foam::IOobject::MUST_READ
             )
-            )
         );
     }
 

applications/utilities/mesh/generation/foamyMesh/cellSizeAndAlignmentGrid/cellSizeAndAlignmentGrid.C

@@ -141,14 +141,11 @@ autoPtr<mapDistribute> buildMap
 
     List<Map<label>> compactMap;
 
-    return autoPtr<mapDistribute>
+    return autoPtr<mapDistribute>::New
-    (
-        new mapDistribute
     (
         globalIndexing,
         pointPoints,
         compactMap
-        )
     );
 }
 

applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/DelaunayMesh/DelaunayMeshIO.C

@@ -593,9 +593,7 @@ Foam::DelaunayMesh<Triangulation>::createMesh
 
     Info<< "Creating mesh" << endl;
 
-    autoPtr<polyMesh> meshPtr
+    auto meshPtr = autoPtr<polyMesh>::New
-    (
-        new polyMesh
     (
         IOobject
         (
@@ -605,11 +603,10 @@ Foam::DelaunayMesh<Triangulation>::createMesh
             IOobject::NO_READ,
             IOobject::NO_WRITE
         ),
-            xferMove(points),
+        std::move(points),
-            xferMove(faces),
+        std::move(faces),
-            xferMove(owner),
+        std::move(owner),
-            xferMove(neighbour)
+        std::move(neighbour)
-        )
     );
 
     Info<< "Adding patches" << endl;

applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/DelaunayMesh/DistributedDelaunayMesh.C

@@ -105,14 +105,11 @@ Foam::DistributedDelaunayMesh<Triangulation>::buildMap
         }
     }
 
-    return autoPtr<mapDistribute>
+    return autoPtr<mapDistribute>::New
-    (
-        new mapDistribute
     (
         constructSize,
-            sendMap.xfer(),
+        std::move(sendMap),
-            constructMap.xfer()
+        std::move(constructMap)
-        )
     );
 }
 

applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/backgroundMeshDecomposition/backgroundMeshDecomposition.C

@@ -36,9 +36,7 @@ License
 
 namespace Foam
 {
-
+    defineTypeNameAndDebug(backgroundMeshDecomposition, 0);
-defineTypeNameAndDebug(backgroundMeshDecomposition, 0);
-
 }
 
 
@@ -114,14 +112,11 @@ Foam::autoPtr<Foam::mapDistribute> Foam::backgroundMeshDecomposition::buildMap
         }
     }
 
-    return autoPtr<mapDistribute>
+    return autoPtr<mapDistribute>::New
-    (
-        new mapDistribute
     (
         constructSize,
-            sendMap.xfer(),
+        std::move(sendMap),
-            constructMap.xfer()
+        std::move(constructMap)
-        )
     );
 }
 

applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C

@@ -727,9 +727,7 @@ Foam::conformalVoronoiMesh::createPolyMeshFromPoints
     labelList cellToDelaunayVertex(removeUnusedCells(owner, neighbour));
     cellCentres = pointField(cellCentres, cellToDelaunayVertex);
 
-    autoPtr<polyMesh> meshPtr
+    auto meshPtr = autoPtr<polyMesh>::New
-    (
-        new polyMesh
     (
         IOobject
         (
@@ -739,11 +737,10 @@ Foam::conformalVoronoiMesh::createPolyMeshFromPoints
             IOobject::NO_READ,
             IOobject::NO_WRITE
         ),
-            xferCopy(pts),
+        pointField(pts),  // Copy of points
-            xferMove(faces),
+        std::move(faces),
-            xferMove(owner),
+        std::move(owner),
-            xferMove(neighbour)
+        std::move(neighbour)
-        )
     );
 
     polyMesh& pMesh = meshPtr();

applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C

@@ -404,16 +404,7 @@ Foam::autoPtr<Foam::fvMesh> Foam::conformalVoronoiMesh::createDummyMesh
     const PtrList<dictionary>& patchDicts
 ) const
 {
-    autoPtr<fvMesh> meshPtr
+    auto meshPtr = autoPtr<fvMesh>::New(io, Zero);
-    (
-        new fvMesh
-        (
-            io,
-            xferCopy(pointField()),
-            xferCopy(faceList()),
-            xferCopy(cellList())
-        )
-    );
     fvMesh& mesh = meshPtr();
 
     List<polyPatch*> patches(patchDicts.size());
@@ -827,10 +818,10 @@ void Foam::conformalVoronoiMesh::writeMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        xferMove(points),
+        std::move(points),
-        xferMove(faces),
+        std::move(faces),
-        xferMove(owner),
+        std::move(owner),
-        xferMove(neighbour)
+        std::move(neighbour)
     );
 
     Info<< indent << "Adding patches to mesh" << endl;

applications/utilities/mesh/generation/foamyMesh/foamyHexMeshBackgroundMesh/foamyHexMeshBackgroundMesh.C

@@ -282,12 +282,10 @@ autoPtr<polyMesh> generateHexMesh
     word defaultFacesType = polyPatch::typeName;
     wordList patchPhysicalTypes(0);
 
-    return autoPtr<polyMesh>
+    return autoPtr<polyMesh>::New
-    (
-        new polyMesh
     (
         io,
-            xferMoveTo<pointField>(points),
+        std::move(points),
         cellShapes,
         boundary,
         patchNames,
@@ -295,7 +293,6 @@ autoPtr<polyMesh> generateHexMesh
         defaultFacesName,
         defaultFacesType,
         patchPhysicalTypes
-        )
     );
 }
 

applications/utilities/mesh/generation/foamyMesh/foamyQuadMesh/foamyQuadMesh.C

@@ -152,10 +152,10 @@ int main(int argc, char *argv[])
             IOobject::NO_WRITE,
             false
         ),
-        xferMove(poly2DMesh.points()),
+        std::move(poly2DMesh.points()),
-        xferMove(poly2DMesh.faces()),
+        std::move(poly2DMesh.faces()),
-        xferMove(poly2DMesh.owner()),
+        std::move(poly2DMesh.owner()),
-        xferMove(poly2DMesh.neighbour())
+        std::move(poly2DMesh.neighbour())
     );
 
     Info<< "Constructing patches." << endl;

applications/utilities/mesh/generation/foamyMesh/foamyQuadMesh/shortEdgeFilter2D.C

@@ -204,7 +204,7 @@ Foam::shortEdgeFilter2D::shortEdgeFilter2D
 
     points2D.clear();
 
-    ms_ = MeshedSurface<face>(xferMove(points), xferMove(faces));
+    ms_ = MeshedSurface<face>(std::move(points), std::move(faces));
 
     Info<< "Meshed surface stats before edge filtering :" << endl;
     ms_.writeStats(Info);
@@ -533,12 +533,7 @@ Foam::shortEdgeFilter2D::filter()
 
     newFaces.setSize(newFacei);
 
-    MeshedSurface<face> fMesh
+    MeshedSurface<face> fMesh(std::move(newPoints), std::move(newFaces));
-    (
-        xferMove(newPoints),
-        xferMove(newFaces),
-        xferCopy(List<surfZone>())
-    );
 
     updateEdgeRegionMap
     (

applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C

@@ -476,7 +476,7 @@ void extractSurface
 
     // Gather all ZoneIDs
     List<labelList> gatheredZones(Pstream::nProcs());
-    gatheredZones[Pstream::myProcNo()] = compactZones.xfer();
+    gatheredZones[Pstream::myProcNo()].transfer(compactZones);
     Pstream::gatherList(gatheredZones);
 
     // On master combine all points, faces, zones
@@ -515,10 +515,10 @@ void extractSurface
 
         UnsortedMeshedSurface<face> unsortedFace
         (
-            xferMove(allPoints),
+            std::move(allPoints),
-            xferMove(allFaces),
+            std::move(allFaces),
-            xferMove(allZones),
+            std::move(allZones),
-            xferMove(surfZones)
+            surfZones
         );
 
 

applications/utilities/mesh/manipulation/mirrorMesh/mirrorFvMesh.C

@@ -353,12 +353,12 @@ Foam::mirrorFvMesh::mirrorFvMesh(const IOobject& io)
     Info<< "Mirroring cell shapes." << endl;
 
     Info<< nl << "Creating new mesh" << endl;
-    mirrorMeshPtr_ = new fvMesh
+    mirrorMeshPtr_ = autoPtr<fvMesh>::New
     (
         io,
-        xferMove(newPoints),
+        std::move(newPoints),
-        xferMove(newFaces),
+        std::move(newFaces),
-        xferMove(newCells)
+        std::move(newCells)
     );
 
     fvMesh& pMesh = *mirrorMeshPtr_;
@@ -381,10 +381,4 @@ Foam::mirrorFvMesh::mirrorFvMesh(const IOobject& io)
 }
 
 
-// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
-
-Foam::mirrorFvMesh::~mirrorFvMesh()
-{}
-
-
 // ************************************************************************* //

applications/utilities/mesh/manipulation/mirrorMesh/mirrorFvMesh.H

@@ -55,21 +55,20 @@ class mirrorFvMesh
         IOdictionary mirrorMeshDict_;
 
         //- Mirrored mesh
-        fvMesh* mirrorMeshPtr_;
+        autoPtr<fvMesh> mirrorMeshPtr_;
 
 
     // Private Member Functions
 
-        //- Disallow default bitwise copy construct
+        //- Disallow copy construct
-        mirrorFvMesh(const mirrorFvMesh&);
+        mirrorFvMesh(const mirrorFvMesh&) = delete;
 
-        //- Disallow default bitwise assignment
+        //- Disallow copy assignment
-        void operator=(const mirrorFvMesh&);
+        void operator=(const mirrorFvMesh&) = delete;
 
 
 public:
 
-
     // Constructors
 
         //- Construct from IOobject
@@ -77,7 +76,7 @@ public:
 
 
     //- Destructor
-    ~mirrorFvMesh();
+    ~mirrorFvMesh() = default;
 
 
     // Member Functions

applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C

@@ -461,10 +461,10 @@ autoPtr<mapPolyMesh> reorderMesh
 
     mesh.resetPrimitives
     (
-        Xfer<pointField>::null(),
+        autoPtr<pointField>(),  // <- null: leaves points untouched
-        xferMove(newFaces),
+        autoPtr<faceList>::New(std::move(newFaces)),
-        xferMove(newOwner),
+        autoPtr<labelList>::New(std::move(newOwner)),
-        xferMove(newNeighbour),
+        autoPtr<labelList>::New(std::move(newNeighbour)),
         patchSizes,
         patchStarts,
         true

applications/utilities/mesh/manipulation/stitchMesh/stitchMesh.C

@@ -521,7 +521,7 @@ int main(int argc, char *argv[])
             (
                 cutZoneName,
                 true // verbose
-            ).resetAddressing(faceIds.xfer(), false);
+            ).resetAddressing(std::move(faceIds), false);
 
 
             // Add the perfect interface mesh modifier
@@ -551,7 +551,7 @@ int main(int argc, char *argv[])
             (
                 mergePatchName + "MasterZone",
                 true // verbose
-            ).resetAddressing(faceIds.xfer(), false);
+            ).resetAddressing(std::move(faceIds), false);
 
             // Markup slave face ids
             faceIds.setSize(slavePatch.size());
@@ -561,7 +561,7 @@ int main(int argc, char *argv[])
             (
                 mergePatchName + "SlaveZone",
                 true // verbose
-            ).resetAddressing(faceIds.xfer(), false);
+            ).resetAddressing(std::move(faceIds), false);
 
             // Add empty zone for cut faces
             mesh.faceZones()

applications/utilities/parallelProcessing/decomposePar/domainDecomposition.C

@@ -340,9 +340,7 @@ bool Foam::domainDecomposition::writeDecomposition(const bool decomposeSets)
                 curPointLabels
             );
 
-            procMeshPtr.reset
+            procMeshPtr = autoPtr<polyMesh>::New
-            (
-                new polyMesh
             (
                 IOobject
                 (
@@ -350,17 +348,14 @@ bool Foam::domainDecomposition::writeDecomposition(const bool decomposeSets)
                     facesInstance(),
                     processorDb
                 ),
-                    xferMove(facesInstancePoints),
+                std::move(facesInstancePoints),
-                    xferMove(procFaces),
+                std::move(procFaces),
-                    xferMove(procCells)
+                std::move(procCells)
-                )
             );
         }
         else
         {
-            procMeshPtr.reset
+            procMeshPtr = autoPtr<polyMesh>::New
-            (
-                new polyMesh
             (
                 IOobject
                 (
@@ -368,10 +363,9 @@ bool Foam::domainDecomposition::writeDecomposition(const bool decomposeSets)
                     facesInstance(),
                     processorDb
                 ),
-                    xferMove(procPoints),
+                std::move(procPoints),
-                    xferMove(procFaces),
+                std::move(procFaces),
-                    xferMove(procCells)
+                std::move(procCells)
-                )
             );
         }
         polyMesh& procMesh = procMeshPtr();
@@ -751,7 +745,7 @@ bool Foam::domainDecomposition::writeDecomposition(const bool decomposeSets)
                     IOobject::NO_WRITE,
                     false
                 ),
-                xferMove(procPoints)
+                std::move(procPoints)
             );
             pointsInstancePoints.write();
         }

applications/utilities/parallelProcessing/reconstructParMesh/reconstructParMesh.C

@@ -652,9 +652,7 @@ int main(int argc, char *argv[])
                             runTime,
                             IOobject::NO_READ
                         ),
-                        xferCopy(pointField()),
+                        Zero
-                        xferCopy(faceList()),
-                        xferCopy(cellList())
                     )
                 );
 

applications/utilities/parallelProcessing/redistributePar/loadOrCreateMesh.C

@@ -166,15 +166,7 @@ Foam::autoPtr<Foam::fvMesh> Foam::loadOrCreateMesh
         // Create dummy mesh. Only used on procs that don't have mesh.
         IOobject noReadIO(io);
         noReadIO.readOpt() = IOobject::NO_READ;
-        fvMesh dummyMesh
+        fvMesh dummyMesh(noReadIO, Zero, false);
-        (
-            noReadIO,
-            xferCopy(pointField()),
-            xferCopy(faceList()),
-            xferCopy(labelList()),
-            xferCopy(labelList()),
-            false
-        );
 
         // Add patches
         List<polyPatch*> patches(patchEntries.size());
@@ -261,8 +253,8 @@ Foam::autoPtr<Foam::fvMesh> Foam::loadOrCreateMesh
     // parallel
 
     //Pout<< "Reading mesh from " << io.objectPath() << endl;
-    autoPtr<fvMesh> meshPtr(new fvMesh(io));
+    auto meshPtr = autoPtr<fvMesh>::New(io);
-    fvMesh& mesh = meshPtr();
+    fvMesh& mesh = *meshPtr;
 
 
 

applications/utilities/parallelProcessing/redistributePar/parLagrangianRedistributor.C

@@ -279,15 +279,11 @@ Foam::parLagrangianRedistributor::redistributeLagrangianPositions
     }
 
 
-    // Construct map
+    return autoPtr<mapDistributeBase>::New
-    return autoPtr<mapDistributeBase>
-    (
-        new mapDistributeBase
     (
         constructSize,
-            subMap.xfer(),
+        std::move(subMap),
-            constructMap.xfer()
+        std::move(constructMap)
-        )
     );
 }
 

applications/utilities/parallelProcessing/redistributePar/parLagrangianRedistributorRedistributeFields.C

@@ -125,7 +125,7 @@ void Foam::parLagrangianRedistributor::redistributeLagrangianFields
                         IOobject::NO_WRITE,
                         false
                     ),
-                    xferMove<Field<Type>>(field)
+                    std::move(field)
                 ).write();
             }
         }
@@ -212,7 +212,7 @@ void Foam::parLagrangianRedistributor::redistributeLagrangianFieldFields
                         IOobject::NO_WRITE,
                         false
                     ),
-                    xferMove<Field<Field<Type>>>(field)
+                    std::move(field)
                 ).write();
             }
         }
@@ -309,7 +309,7 @@ void Foam::parLagrangianRedistributor::redistributeStoredLagrangianFields
                         IOobject::NO_WRITE,
                         false
                     ),
-                    xferMove<Field<typename Container::value_type>>(field)
+                    std::move(field)
                 ).write();
             }
         }

applications/utilities/parallelProcessing/redistributePar/redistributePar.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2015-2017 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2015-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -1353,10 +1353,7 @@ autoPtr<mapDistributePolyMesh> redistributeAndWrite
     //}
 
 
-    return autoPtr<mapDistributePolyMesh>
+    return autoPtr<mapDistributePolyMesh>::New(std::move(map));
-    (
-        new mapDistributePolyMesh(map.xfer())
-    );
 }
 
 
@@ -1407,7 +1404,7 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
 
     autoPtr<mapDistributePolyMesh> mapPtr;
 
-    if (baseMeshPtr.valid() && baseMeshPtr().nCells())    //baseMeshPtr.valid())
+    if (baseMeshPtr.valid() && baseMeshPtr().nCells())
     {
         const fvMesh& baseMesh = baseMeshPtr();
 
@@ -1417,8 +1414,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute cellMap
         (
             baseMesh.nCells(),
-            cellSubMap.xfer(),
+            std::move(cellSubMap),
-            cellAddressing.xfer()
+            std::move(cellAddressing)
         );
 
         labelListList faceSubMap(Pstream::nProcs());
@@ -1427,8 +1424,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute faceMap
         (
             baseMesh.nFaces(),
-            faceSubMap.xfer(),
+            std::move(faceSubMap),
-            faceAddressing.xfer(),
+            std::move(faceAddressing),
             false,          //subHasFlip
             true            //constructHasFlip
         );
@@ -1439,8 +1436,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute pointMap
         (
             baseMesh.nPoints(),
-            pointSubMap.xfer(),
+            std::move(pointSubMap),
-            pointAddressing.xfer()
+            std::move(pointAddressing)
         );
 
         labelListList patchSubMap(Pstream::nProcs());
@@ -1451,8 +1448,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute patchMap
         (
             baseMesh.boundaryMesh().size(),
-            patchSubMap.xfer(),
+            std::move(patchSubMap),
-            boundaryAddressing.xfer()
+            std::move(boundaryAddressing)
         );
 
         const label nOldPoints = mesh.nPoints();
@@ -1475,12 +1472,12 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
                 nOldPoints,
                 nOldFaces,
                 nOldCells,
-                oldPatchStarts.xfer(),
+                std::move(oldPatchStarts),
-                oldPatchNMeshPoints.xfer(),
+                std::move(oldPatchNMeshPoints),
-                pointMap.xfer(),
+                std::move(pointMap),
-                faceMap.xfer(),
+                std::move(faceMap),
-                cellMap.xfer(),
+                std::move(cellMap),
-                patchMap.xfer()
+                std::move(patchMap)
             )
         );
     }
@@ -1493,8 +1490,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute cellMap
         (
             0,
-            cellSubMap.xfer(),
+            std::move(cellSubMap),
-            cellConstructMap.xfer()
+            std::move(cellConstructMap)
         );
 
         labelListList faceSubMap(Pstream::nProcs());
@@ -1504,8 +1501,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute faceMap
         (
             0,
-            faceSubMap.xfer(),
+            std::move(faceSubMap),
-            faceConstructMap.xfer(),
+            std::move(faceConstructMap),
             false,          //subHasFlip
             true            //constructHasFlip
         );
@@ -1517,8 +1514,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute pointMap
         (
             0,
-            pointSubMap.xfer(),
+            std::move(pointSubMap),
-            pointConstructMap.xfer()
+            std::move(pointConstructMap)
         );
 
         labelListList patchSubMap(Pstream::nProcs());
@@ -1530,8 +1527,8 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
         mapDistribute patchMap
         (
             0,
-            patchSubMap.xfer(),
+            std::move(patchSubMap),
-            patchConstructMap.xfer()
+            std::move(patchConstructMap)
         );
 
         const label nOldPoints = mesh.nPoints();
@@ -1554,12 +1551,12 @@ autoPtr<mapDistributePolyMesh> createReconstructMap
                 nOldPoints,
                 nOldFaces,
                 nOldCells,
-                oldPatchStarts.xfer(),
+                std::move(oldPatchStarts),
-                oldPatchNMeshPoints.xfer(),
+                std::move(oldPatchNMeshPoints),
-                pointMap.xfer(),
+                std::move(pointMap),
-                faceMap.xfer(),
+                std::move(faceMap),
-                cellMap.xfer(),
+                std::move(cellMap),
-                patchMap.xfer()
+                std::move(patchMap)
             )
         );
     }
@@ -1587,7 +1584,6 @@ void readProcAddressing
     //{
     //    Pout<< "Reading addressing from " << io.name() << " at "
     //        << mesh.facesInstance() << nl << endl;
-    //    distMap.clear();
     //    distMap.reset(new IOmapDistributePolyMesh(io));
     //}
     //else
@@ -1604,7 +1600,7 @@ void readProcAddressing
                 mesh,
                 IOobject::READ_IF_PRESENT
             ),
-            labelList(0)
+            labelList()
         );
         labelIOList faceProcAddressing
         (
@@ -1616,7 +1612,7 @@ void readProcAddressing
                 mesh,
                 IOobject::READ_IF_PRESENT
             ),
-            labelList(0)
+            labelList()
         );
         labelIOList pointProcAddressing
         (
@@ -1628,7 +1624,7 @@ void readProcAddressing
                 mesh,
                 IOobject::READ_IF_PRESENT
             ),
-            labelList(0)
+            labelList()
         );
         labelIOList boundaryProcAddressing
         (
@@ -1640,7 +1636,7 @@ void readProcAddressing
                 mesh,
                 IOobject::READ_IF_PRESENT
             ),
-            labelList(0)
+            labelList()
         );
 
 
@@ -2580,7 +2576,7 @@ int main(int argc, char *argv[])
                         runTime,
                         IOobject::READ_IF_PRESENT
                     ),
-                    labelList(0)
+                    labelList()
                 );
                 if
                 (

applications/utilities/postProcessing/lagrangian/steadyParticleTracks/steadyParticleTracksTemplates.C

@@ -49,7 +49,7 @@ Foam::tmp<Foam::Field<Type>> Foam::readParticleField
     if (obj != nullptr)
     {
         IOField<Type> newField(*obj);
-        return tmp<Field<Type>>::New(newField.xfer());
+        return tmp<Field<Type>>::New(std::move(newField));
     }
 
     FatalErrorInFunction
@@ -77,7 +77,7 @@ void Foam::readFields
         {
             Info<< "        reading field " << fieldNames[j] << endl;
             IOField<Type> newField(*obj);
-            values.set(j, new List<Type>(newField.xfer()));
+            values.set(j, new List<Type>(std::move(newField)));
         }
         else
         {

applications/utilities/preProcessing/viewFactorsGen/viewFactorsGen.C

@@ -865,7 +865,7 @@ int main(int argc, char *argv[])
             IOobject::NO_WRITE,
             false
         ),
-        globalFaceFaces
+        std::move(globalFaceFaces)
     );
     IOglobalFaceFaces.write();
 
@@ -881,7 +881,7 @@ int main(int argc, char *argv[])
             IOobject::NO_WRITE,
             false
         ),
-        visibleFaceFaces
+        std::move(visibleFaceFaces)
     );
     IOvisibleFaceFaces.write();
 
@@ -895,7 +895,7 @@ int main(int argc, char *argv[])
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        map.xfer()
+        std::move(map)
     );
 
     IOmapDist.write();

applications/utilities/surface/surfaceMeshImport/surfaceMeshImport.C

@@ -287,7 +287,7 @@ int main(int argc, char *argv[])
             runTime.constant(),
             runTime
         ),
-        surf.xfer()
+        std::move(surf)
     );
 
 

applications/utilities/surface/surfaceMeshTriangulate/surfaceMeshTriangulate.C

@@ -364,7 +364,7 @@ int main(int argc, char *argv[])
 
         // Gather all ZoneIDs
         List<labelList> gatheredZones(Pstream::nProcs());
-        gatheredZones[Pstream::myProcNo()] = compactZones.xfer();
+        gatheredZones[Pstream::myProcNo()].transfer(compactZones);
         Pstream::gatherList(gatheredZones);
 
         // On master combine all points, faces, zones
@@ -404,10 +404,10 @@ int main(int argc, char *argv[])
 
             UnsortedMeshedSurface<face> unsortedFace
             (
-                xferMove(allPoints),
+                std::move(allPoints),
-                xferMove(allFaces),
+                std::move(allFaces),
-                xferMove(allZones),
+                std::move(allZones),
-                xferMove(surfZones)
+                surfZones
             );
 
 

applications/utilities/surface/surfacePatch/searchableSurfaceModifier/cut.C

@@ -80,7 +80,7 @@ void Foam::searchableSurfaceModifiers::cut::triangulate
             patchI
         );
     }
-    cutSurf = triSurface(tris.xfer(), patches, pts.xfer());
+    cutSurf = triSurface(tris, patches, pts, true);
 }
 
 
@@ -331,12 +331,12 @@ bool Foam::searchableSurfaceModifiers::cut::modify
             {
                 if (volTypes[i] == volumeType::INSIDE)
                 {
-                    nInside++;
+                    ++nInside;
                 }
             }
 
             // Add a patch for inside the box
-            if (nInside > 0 && surf3.patches().size() > 0)
+            if (nInside && surf3.patches().size() > 0)
             {
                 geometricSurfacePatchList newPatches(surf3.patches());
                 label sz = newPatches.size();
@@ -362,7 +362,7 @@ bool Foam::searchableSurfaceModifiers::cut::modify
                     }
                 }
                 pointField newPoints(surf3.points());
-                surf = triSurface(newTris.xfer(), newPatches, newPoints.xfer());
+                surf = triSurface(newTris, newPatches, newPoints, true);
 
                 changed = true;
             }

src/OpenFOAM/algorithms/indexedOctree/treeDataCell.C

@@ -104,12 +104,12 @@ Foam::treeDataCell::treeDataCell
 (
     const bool cacheBb,
     const polyMesh& mesh,
-    const Xfer<labelList>& cellLabels,
+    labelList&& cellLabels,
     const polyMesh::cellDecomposition decompMode
 )
 :
     mesh_(mesh),
-    cellLabels_(cellLabels),
+    cellLabels_(std::move(cellLabels)),
     cacheBb_(cacheBb),
     decompMode_(decompMode)
 {

src/OpenFOAM/algorithms/indexedOctree/treeDataCell.H

@@ -137,21 +137,21 @@ public:
 
     // Constructors
 
-        //- Construct from mesh and subset of cells.
+        //- Construct from mesh, copying subset of cells.
         treeDataCell
         (
             const bool cacheBb,
-            const polyMesh&,
+            const polyMesh& mesh,
-            const labelUList&,
+            const labelUList& cellLabels,
             const polyMesh::cellDecomposition decompMode
         );
 
-        //- Construct from mesh and subset of cells, transferring contents
+        //- Construct from mesh, moving subset of cells
         treeDataCell
         (
             const bool cacheBb,
-            const polyMesh&,
+            const polyMesh& mesh,
-            const Xfer<labelList>&,
+            labelList&& cellLabels,
             const polyMesh::cellDecomposition decompMode
         );
 
@@ -159,7 +159,7 @@ public:
         treeDataCell
         (
             const bool cacheBb,
-            const polyMesh&,
+            const polyMesh& mesh,
             const polyMesh::cellDecomposition decompMode
         );
 

src/OpenFOAM/containers/Lists/BiIndirectList/BiIndirectList.H

@@ -73,7 +73,7 @@ public:
         (
             const UList<T>& posList,
             const UList<T>& negList,
-            const Xfer<List<label>>& addr
+            List<label>&& addr
         );
 
 
@@ -99,9 +99,11 @@ public:
 
         // Edit
 
-            //- Reset addressing
+            //- Copy reset addressing
             inline void resetAddressing(const labelUList& addr);
-            inline void resetAddressing(const Xfer<List<label>>& addr);
+
+            //- Move reset addressing
+            inline void resetAddressing(List<label>&& addr);
 
 
         // Member Operators

src/OpenFOAM/containers/Lists/BiIndirectList/BiIndirectListI.H

@@ -60,12 +60,12 @@ inline Foam::BiIndirectList<T>::BiIndirectList
 (
     const UList<T>& posList,
     const UList<T>& negList,
-    const Xfer<List<label>>& addr
+    List<label>&& addr
 )
 :
     posList_(const_cast<UList<T>&>(posList)),
     negList_(const_cast<UList<T>&>(negList)),
-    addressing_(addr)
+    addressing_(std::move(addr))
 {}
 
 
@@ -120,10 +120,10 @@ inline void Foam::BiIndirectList<T>::resetAddressing
 template<class T>
 inline void Foam::BiIndirectList<T>::resetAddressing
 (
-    const Xfer<List<label>>& addr
+    List<label>&& addr
 )
 {
-    addressing_.transfer(addr());
+    addressing_.transfer(addr);
 }
 
 

src/OpenFOAM/containers/Lists/CompactListList/CompactListList.C

@@ -99,16 +99,6 @@ Foam::CompactListList<T, Container>::CompactListList
 }
 
 
-template<class T, class Container>
-Foam::CompactListList<T, Container>::CompactListList
-(
-    const Xfer<CompactListList<T, Container>>& lst
-)
-{
-    transfer(lst());
-}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class T, class Container>

src/OpenFOAM/containers/Lists/CompactListList/CompactListList.H

@@ -125,9 +125,6 @@ public:
         //- Move construct
         inline CompactListList(CompactListList<T, Container>&& lst);
 
-        //- Construct by transferring the parameter contents
-        explicit CompactListList(const Xfer<CompactListList<T, Container>>&);
-
         //- Construct as copy or re-use as specified.
         inline CompactListList(CompactListList<T, Container>& lst, bool reuse);
 
@@ -202,9 +199,6 @@ public:
             //  into this CompactListList and annul the argument list.
             void transfer(CompactListList<T, Container>& lst);
 
-            //- Transfer the contents to the Xfer container
-            inline Xfer<CompactListList<T, Container>> xfer();
-
 
         // Other
 

src/OpenFOAM/containers/Lists/CompactListList/CompactListListI.H

@@ -196,14 +196,6 @@ inline Foam::label Foam::CompactListList<T, Container>::whichColumn
 }
 
 
-template<class T, class Container>
-inline Foam::Xfer<Foam::CompactListList<T, Container>>
-Foam::CompactListList<T, Container>::xfer()
-{
-    return xferMove(*this);
-}
-
-
 template<class T, class Container>
 inline void Foam::CompactListList<T, Container>::resize(const label mRows)
 {

src/OpenFOAM/containers/Lists/DynamicList/DynamicList.H

@@ -152,9 +152,6 @@ public:
         //- Construct from UIndirectList. Size set to UIndirectList size.
         explicit inline DynamicList(const UIndirectList<T>& lst);
 
-        //- Transfer (move) construct
-        explicit inline DynamicList(const Xfer<List<T>>& lst);
-
         //- Move construct.
         inline DynamicList(DynamicList<T, SizeMin>&& lst);
 
@@ -242,10 +239,6 @@ public:
             //- Transfer contents  of the argument SortableList into this.
             inline void transfer(SortableList<T>& lst);
 
-            //- Transfer contents to the Xfer container as a plain List
-            inline Xfer<List<T>> xfer();
-
-
             //- Append an element to the end of this list.
             inline DynamicList<T, SizeMin>& append(const T& val);
 
@@ -375,6 +368,7 @@ public:
                 Istream& is,
                 DynamicList<T, SizeMin>& lst
             );
+
 };
 
 

src/OpenFOAM/containers/Lists/DynamicList/DynamicListI.H

@@ -177,17 +177,6 @@ inline Foam::DynamicList<T, SizeMin>::DynamicList
 {}
 
 
-template<class T, int SizeMin>
-inline Foam::DynamicList<T, SizeMin>::DynamicList
-(
-    const Xfer<List<T>>& lst
-)
-:
-    List<T>(lst),
-    capacity_(List<T>::size())
-{}
-
-
 template<class T, int SizeMin>
 inline Foam::DynamicList<T, SizeMin>::DynamicList
 (
@@ -470,14 +459,6 @@ Foam::DynamicList<T, SizeMin>::transfer
 }
 
 
-template<class T, int SizeMin>
-inline Foam::Xfer<Foam::List<T>>
-Foam::DynamicList<T, SizeMin>::xfer()
-{
-    return xferMoveTo<List<T>>(*this);
-}
-
-
 template<class T, int SizeMin>
 inline Foam::DynamicList<T, SizeMin>&
 Foam::DynamicList<T, SizeMin>::append

src/OpenFOAM/containers/Lists/IndirectList/IndirectList.H

@@ -76,7 +76,7 @@ protected:
         explicit inline IndirectListAddressing(const labelUList& addr);
 
         //- Construct by transferring addressing array
-        explicit inline IndirectListAddressing(const Xfer<List<label>>& addr);
+        explicit inline IndirectListAddressing(List<label>&& addr);
 
 
     // Member Functions
@@ -84,9 +84,11 @@ protected:
         //- Return the list addressing
         inline const List<label>& addressing() const;
 
-        //- Reset addressing
+        //- Copy reset addressing
         inline void resetAddressing(const labelUList& addr);
-        inline void resetAddressing(const Xfer<List<label>>& addr);
+
+        //- Move reset addressing
+        inline void resetAddressing(List<label>&& addr);
 
 };
 
@@ -125,7 +127,7 @@ public:
         inline IndirectList
         (
             const UList<T>& completeList,
-            const Xfer<List<label>>& addr
+            List<label>&& addr
         );
 
         //- Copy constructor

src/OpenFOAM/containers/Lists/IndirectList/IndirectListI.H

@@ -36,10 +36,10 @@ inline Foam::IndirectListAddressing::IndirectListAddressing
 
 inline Foam::IndirectListAddressing::IndirectListAddressing
 (
-    const Xfer<List<label>>& addr
+    List<label>&& addr
 )
 :
-    addressing_(addr)
+    addressing_(std::move(addr))
 {}
 
 
@@ -63,10 +63,10 @@ template<class T>
 inline Foam::IndirectList<T>::IndirectList
 (
     const UList<T>& completeList,
-    const Xfer<List<label>>& addr
+    List<label>&& addr
 )
 :
-    IndirectListAddressing(addr),
+    IndirectListAddressing(std::move(addr)),
     UIndirectList<T>
     (
         completeList,
@@ -125,10 +125,10 @@ inline void Foam::IndirectListAddressing::resetAddressing
 
 inline void Foam::IndirectListAddressing::resetAddressing
 (
-    const Xfer<List<label>>& addr
+    List<label>&& addr
 )
 {
-    addressing_.transfer(addr());
+    addressing_.transfer(addr);
 }
 
 

src/OpenFOAM/containers/Lists/List/List.C

@@ -305,13 +305,6 @@ Foam::List<T>::List(std::initializer_list<T> lst)
 {}
 
 
-template<class T>
-Foam::List<T>::List(const Xfer<List<T>>& lst)
-{
-    transfer(lst());
-}
-
-
 template<class T>
 Foam::List<T>::List(List<T>&& lst)
 :
@@ -513,10 +506,13 @@ void Foam::List<T>::operator=(const SLList<T>& lst)
 
     if (len)
     {
+        List_ACCESS(T, (*this), vp);
+
         label i = 0;
         for (auto iter = lst.cbegin(); iter != lst.cend(); ++iter)
         {
-            this->operator[](i++) = *iter;
+            vp[i] = *iter;
+            ++i;
         }
     }
 }
@@ -617,9 +613,14 @@ void Foam::List<T>::operator=(SLList<T>&& lst)
 
     reAlloc(len);
 
+    if (len)
+    {
+        List_ACCESS(T, (*this), vp);
+
         for (label i = 0; i < len; ++i)
         {
-        this->operator[](i) = std::move(lst.removeHead());
+            vp[i] = std::move(lst.removeHead());
+        }
     }
 
     lst.clear();

src/OpenFOAM/containers/Lists/List/List.H

@@ -43,7 +43,6 @@ SourceFiles
 #include "UList.H"
 #include "autoPtr.H"
 #include "one.H"
-#include "Xfer.H"
 #include "SLListFwd.H"
 
 #include <initializer_list>
@@ -173,9 +172,6 @@ public:
         //- Construct from an initializer list
         List(std::initializer_list<T> lst);
 
-        //- Transfer (move) construct
-        List(const Xfer<List<T>>& lst);
-
         //- Move construct from List
         List(List<T>&& lst);
 
@@ -250,9 +246,6 @@ public:
             //- and annul the argument list
             void transfer(SortableList<T>& lst);
 
-            //- Transfer contents to the Xfer container
-            inline Xfer<List<T>> xfer();
-
             //- Return subscript-checked element of UList and resizing the list
             //- if required.
             inline T& newElmt(const label i);
@@ -310,6 +303,7 @@ public:
             Istream& is,
             List<T>& L
         );
+
 };
 
 

src/OpenFOAM/containers/Lists/List/ListI.H

@@ -149,13 +149,6 @@ inline T& Foam::List<T>::newElmt(const label i)
 }
 
 
-template<class T>
-inline Foam::Xfer<Foam::List<T>> Foam::List<T>::xfer()
-{
-    return xferMove(*this);
-}
-
-
 template<class T>
 inline void Foam::List<T>::append(const T& val)
 {

src/OpenFOAM/containers/Lists/PtrList/PtrList.C

@@ -57,13 +57,6 @@ Foam::PtrList<T>::PtrList(const PtrList<T>& lst, const CloneArg& cloneArg)
 }
 
 
-template<class T>
-Foam::PtrList<T>::PtrList(const Xfer<PtrList<T>>& lst)
-{
-    transfer(lst());
-}
-
-
 template<class T>
 Foam::PtrList<T>::PtrList(PtrList<T>& lst, bool reuse)
 :

src/OpenFOAM/containers/Lists/PtrList/PtrList.H

@@ -98,9 +98,6 @@ public:
         template<class CloneArg>
         PtrList(const PtrList<T>& lst, const CloneArg& cloneArg);
 
-        //- Construct by transferring the parameter contents
-        PtrList(const Xfer<PtrList<T>>& lst);
-
         //- Construct as copy or re-use as specified
         PtrList(PtrList<T>& lst, bool reuse);
 
@@ -144,9 +141,6 @@ public:
         //- Transfer into this list and annul the argument list
         inline void transfer(PtrList<T>& lst);
 
-        //- Transfer contents to the Xfer container
-        inline Xfer<PtrList<T>> xfer();
-
         //- Return true if element is set (ie, not a nullptr)
         inline bool set(const label i) const;
 
@@ -175,6 +169,7 @@ public:
 
         //- Read PtrList from Istream, discarding contents of existing PtrList
         friend Istream& operator>> <T>(Istream& is, PtrList<T>& lst);
+
 };
 
 

src/OpenFOAM/containers/Lists/PtrList/PtrListI.H

@@ -111,13 +111,6 @@ inline void Foam::PtrList<T>::transfer(PtrList<T>& lst)
 }
 
 
-template<class T>
-inline Foam::Xfer<Foam::PtrList<T>> Foam::PtrList<T>::xfer()
-{
-    return xferMove(*this);
-}
-
-
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
 template<class T>

src/OpenFOAM/containers/Lists/SortableList/SortableList.C

@@ -80,15 +80,6 @@ Foam::SortableList<T>::SortableList(List<T>&& values)
 }
 
 
-template<class T>
-Foam::SortableList<T>::SortableList(const Xfer<List<T>>& values)
-:
-    List<T>(values)
-{
-    sort();
-}
-
-
 template<class T>
 template<class InputIterator>
 inline Foam::SortableList<T>::SortableList
@@ -158,13 +149,6 @@ void Foam::SortableList<T>::swap(SortableList<T>& lst)
 }
 
 
-template<class T>
-Foam::Xfer<Foam::List<T>> Foam::SortableList<T>::xfer()
-{
-    return xferMoveTo<List<T>>(*this);
-}
-
-
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
 template<class T>
@@ -195,7 +179,7 @@ template<class T>
 inline void Foam::SortableList<T>::operator=(List<T>&& lst)
 {
     indices_.clear();
-    List<T>::operator=(std::move(lst));
+    List<T>::transfer(lst);
 }
 
 

src/OpenFOAM/containers/Lists/SortableList/SortableList.H

@@ -95,9 +95,6 @@ public:
         //- Construct from an initializer list, sorting immediately
         SortableList(std::initializer_list<T> values);
 
-        //- Construct from transferred List, sorting immediately
-        explicit SortableList(const Xfer<List<T>>& values);
-
 
     // Member Functions
 
@@ -129,9 +126,6 @@ public:
         //- Swap content with another SortableList in constant time
         inline void swap(SortableList<T>& lst);
 
-        //- Transfer contents to the Xfer container as a plain List
-        inline Xfer<List<T>> xfer();
-
 
     // Member Operators
 
@@ -152,6 +146,7 @@ public:
 
         //- Assignment to an initializer list
         void operator=(std::initializer_list<T> lst);
+
 };
 
 

src/OpenFOAM/containers/Lists/UPtrList/UPtrList.H

@@ -99,7 +99,7 @@ public:
         UPtrList() = default;
 
         //- Construct with specified size, each element initialized to nullptr
-        explicit inline UPtrList(const label nElem);
+        explicit inline UPtrList(const label len);
 
         //- Construct from PtrList, copying addresses of each list element.
         //  The argument is non-const access since this UPtrList can be used
@@ -109,9 +109,6 @@ public:
         //- Construct from UList, taking addresses of each list element
         explicit UPtrList(UList<T>& lst);
 
-        //- Construct by transferring the parameter contents
-        inline UPtrList(const Xfer<UPtrList<T>>& lst);
-
         //- Construct as copy or re-use as specified
         inline UPtrList(UPtrList<T>& lst, bool reuse);
 
@@ -167,9 +164,6 @@ public:
         //- Transfer contents into this list and annul the argument
         inline void transfer(UPtrList<T>& lst);
 
-        //- Transfer contents to the Xfer container
-        inline Xfer<UPtrList<T>> xfer();
-
         //- Return true if element is set (ie, not a nullptr)
         inline bool set(const label i) const;
 
@@ -326,6 +320,7 @@ public:
 
         //- Write UPtrList to Ostream
         friend Ostream& operator<< <T>(Ostream& os, const UPtrList<T>& lst);
+
 };
 
 

src/OpenFOAM/containers/Lists/UPtrList/UPtrListI.H

@@ -26,9 +26,9 @@ License
 // * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * * //
 
 template<class T>
-inline Foam::UPtrList<T>::UPtrList(const label nElem)
+inline Foam::UPtrList<T>::UPtrList(const label len)
 :
-    ptrs_(nElem, reinterpret_cast<T*>(0))
+    ptrs_(len, reinterpret_cast<T*>(0))
 {}
 
 
@@ -46,13 +46,6 @@ inline Foam::UPtrList<T>::UPtrList(UPtrList<T>&& lst)
 {}
 
 
-template<class T>
-inline Foam::UPtrList<T>::UPtrList(const Xfer<UPtrList<T>>& lst)
-{
-    transfer(lst());
-}
-
-
 template<class T>
 inline Foam::UPtrList<T>::UPtrList(UPtrList<T>& lst, bool reuse)
 :
@@ -175,13 +168,6 @@ inline T* Foam::UPtrList<T>::set(const label i, T* ptr)
 }
 
 
-template<class T>
-inline Foam::Xfer<Foam::UPtrList<T>> Foam::UPtrList<T>::xfer()
-{
-    return xferMove(*this);
-}
-
-
 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
 template<class T>
@@ -190,9 +176,8 @@ inline const T& Foam::UPtrList<T>::operator[](const label i) const
     if (!ptrs_[i])
     {
         FatalErrorInFunction
-            << "hanging pointer at index " << i
+            << "cannot dereference nullptr at index " << i
-            << " (size " << size()
+            << " (size " << size() << ")"
-            << "), cannot dereference"
             << abort(FatalError);
     }
 
@@ -206,9 +191,8 @@ inline T& Foam::UPtrList<T>::operator[](const label i)
     if (!ptrs_[i])
     {
         FatalErrorInFunction
-            << "hanging pointer at index " << i
+            << "cannot dereference nullptr at index " << i
-            << " (size " << size()
+            << " (size " << size() << ")"
-            << "), cannot dereference"
             << abort(FatalError);
     }
 

src/OpenFOAM/db/IOobjects/CompactIOField/CompactIOField.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -127,7 +127,7 @@ template<class T, class BaseType>
 Foam::CompactIOField<T, BaseType>::CompactIOField
 (
     const IOobject& io,
-    const Field<T>& list
+    const UList<T>& content
 )
 :
     regIOobject(io)
@@ -142,7 +142,7 @@ Foam::CompactIOField<T, BaseType>::CompactIOField
     }
     else
     {
-        Field<T>::operator=(list);
+        Field<T>::operator=(content);
     }
 }
 
@@ -151,12 +151,12 @@ template<class T, class BaseType>
 Foam::CompactIOField<T, BaseType>::CompactIOField
 (
     const IOobject& io,
-    const Xfer<Field<T>>& list
+    Field<T>&& content
 )
 :
     regIOobject(io)
 {
-    Field<T>::transfer(list());
+    Field<T>::transfer(content);
 
     if
     (
@@ -169,14 +169,6 @@ Foam::CompactIOField<T, BaseType>::CompactIOField
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
-template<class T, class BaseType>
-Foam::CompactIOField<T, BaseType>::~CompactIOField()
-{}
-
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class T, class BaseType>
@@ -191,21 +183,19 @@ bool Foam::CompactIOField<T, BaseType>::writeObject
     if (fmt == IOstream::ASCII)
     {
         // Change type to be non-compact format type
-        const word oldTypeName = typeName;
+        const word oldTypeName(typeName);
 
         const_cast<word&>(typeName) = IOField<T>::typeName;
 
-        bool good = regIOobject::writeObject(fmt, ver, cmp, valid);
+        bool good = regIOobject::writeObject(IOstream::ASCII, ver, cmp, valid);
 
         // Change type back
         const_cast<word&>(typeName) = oldTypeName;
 
         return good;
     }
-    else
+
-    {
     return regIOobject::writeObject(fmt, ver, cmp, valid);
-    }
 }
 
 
@@ -228,13 +218,6 @@ void Foam::CompactIOField<T, BaseType>::operator=
 }
 
 
-template<class T, class BaseType>
-void Foam::CompactIOField<T, BaseType>::operator=(const Field<T>& rhs)
-{
-    Field<T>::operator=(rhs);
-}
-
-
 // * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
 
 template<class T, class BaseType>

src/OpenFOAM/db/IOobjects/CompactIOField/CompactIOField.H

@@ -47,7 +47,7 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declaration of friend functions and operators
+// Forward declarations
 template<class T, class BaseType> class CompactIOField;
 
 template<class T, class BaseType> Istream& operator>>
@@ -85,28 +85,30 @@ public:
 
     // Constructors
 
+        //- Default copy construct
+        CompactIOField(const CompactIOField&) = default;
+
         //- Construct from IOobject
-        CompactIOField(const IOobject&);
+        explicit CompactIOField(const IOobject& io);
 
         //- Construct from IOobject; does local processor require reading?
-        CompactIOField(const IOobject&, const bool valid);
+        CompactIOField(const IOobject& io, const bool valid);
 
         //- Construct from IOobject and size
-        CompactIOField(const IOobject&, const label);
+        CompactIOField(const IOobject& io, const label size);
 
-        //- Construct from IOobject and a Field
+        //- Construct from IOobject and a List/Field content
-        CompactIOField(const IOobject&, const Field<T>&);
+        CompactIOField(const IOobject& io, const UList<T>& content);
 
         //- Construct by transferring the Field contents
-        CompactIOField(const IOobject&, const Xfer<Field<T>>&);
+        CompactIOField(const IOobject& io, Field<T>&& content);
 
 
-    // Destructor
+    //- Destructor
-
+    virtual ~CompactIOField() = default;
-        virtual ~CompactIOField();
 
 
-    // Member functions
+    // Member Functions
 
         virtual bool writeObject
         (
@@ -116,14 +118,16 @@ public:
             const bool valid
         ) const;
 
-        virtual bool writeData(Ostream&) const;
+        virtual bool writeData(Ostream& os) const;
 
 
-    // Member operators
+    // Member Operators
 
-        void operator=(const CompactIOField<T, BaseType>&);
+        //- Copy assignment of entries
+        void operator=(const CompactIOField<T, BaseType>& rhs);
 
-        void operator=(const Field<T>&);
+        //- Copy or move assignment of entries
+        using Field<T>::operator=;
 };
 
 

src/OpenFOAM/db/IOobjects/CompactIOList/CompactIOList.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2015 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2015-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -61,7 +61,7 @@ bool Foam::CompactIOList<T, BaseType>::overflows() const
     label size = 0;
     forAll(*this, i)
     {
-        label oldSize = size;
+        const label oldSize = size;
         size += this->operator[](i).size();
         if (size < oldSize)
         {
@@ -94,7 +94,7 @@ template<class T, class BaseType>
 Foam::CompactIOList<T, BaseType>::CompactIOList
 (
     const IOobject& io,
-    const label size
+    const label len
 )
 :
     regIOobject(io)
@@ -109,7 +109,7 @@ Foam::CompactIOList<T, BaseType>::CompactIOList
     }
     else
     {
-        List<T>::setSize(size);
+        List<T>::setSize(len);
     }
 }
 
@@ -118,7 +118,7 @@ template<class T, class BaseType>
 Foam::CompactIOList<T, BaseType>::CompactIOList
 (
     const IOobject& io,
-    const List<T>& list
+    const UList<T>& content
 )
 :
     regIOobject(io)
@@ -133,7 +133,7 @@ Foam::CompactIOList<T, BaseType>::CompactIOList
     }
     else
     {
-        List<T>::operator=(list);
+        List<T>::operator=(content);
     }
 }
 
@@ -142,12 +142,12 @@ template<class T, class BaseType>
 Foam::CompactIOList<T, BaseType>::CompactIOList
 (
     const IOobject& io,
-    const Xfer<List<T>>& list
+    List<T>&& content
 )
 :
     regIOobject(io)
 {
-    List<T>::transfer(list());
+    List<T>::transfer(content);
 
     if
     (
@@ -160,14 +160,6 @@ Foam::CompactIOList<T, BaseType>::CompactIOList
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
-template<class T, class BaseType>
-Foam::CompactIOList<T, BaseType>::~CompactIOList()
-{}
-
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class T, class BaseType>
@@ -233,13 +225,6 @@ void Foam::CompactIOList<T, BaseType>::operator=
 }
 
 
-template<class T, class BaseType>
-void Foam::CompactIOList<T, BaseType>::operator=(const List<T>& rhs)
-{
-    List<T>::operator=(rhs);
-}
-
-
 // * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
 
 template<class T, class BaseType>
@@ -293,7 +278,7 @@ Foam::Ostream& Foam::operator<<
         start[0] = 0;
         for (label i = 1; i < start.size(); i++)
         {
-            label prev = start[i-1];
+            const label prev = start[i-1];
             start[i] = prev+L[i-1].size();
 
             if (start[i] < prev)

src/OpenFOAM/db/IOobjects/CompactIOList/CompactIOList.H

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -47,10 +47,9 @@ SourceFiles
 namespace Foam
 {
 
+// Forward declarations
 class Istream;
 class Ostream;
-
-// Forward declaration of friend functions and operators
 template<class T, class BaseType> class CompactIOList;
 
 template<class T, class BaseType> Istream& operator>>
@@ -90,25 +89,27 @@ public:
 
     // Constructors
 
+        //- Default copy construct
+        CompactIOList(const CompactIOList&) = default;
+
         //- Construct from IOobject
-        CompactIOList(const IOobject&);
+        explicit CompactIOList(const IOobject& io);
 
-        //- Construct from IOobject and size of CompactIOList
+        //- Construct from IOobject and default length of CompactIOList
-        CompactIOList(const IOobject&, const label);
+        CompactIOList(const IOobject& io, const label len);
 
-        //- Construct from IOobject and a List
+        //- Construct from IOobject and List content
-        CompactIOList(const IOobject&, const List<T>&);
+        CompactIOList(const IOobject& io, const UList<T>& content);
-
-        //- Construct by transferring the List contents
-        CompactIOList(const IOobject&, const Xfer<List<T>>&);
 
+        //- Construct by transferring the List content
+        CompactIOList(const IOobject& io, List<T>&& content);
 
     // Destructor
 
-        virtual ~CompactIOList();
+        virtual ~CompactIOList() = default;
 
 
-    // Member functions
+    // Member Functions
 
         virtual bool writeObject
         (
@@ -121,11 +122,13 @@ public:
         virtual bool writeData(Ostream&) const;
 
 
-    // Member operators
+    // Member Operators
 
-        void operator=(const CompactIOList<T, BaseType>&);
+        //- Copy assignment of entries
+        void operator=(const CompactIOList<T, BaseType>& rhs);
 
-        void operator=(const List<T>&);
+        //- Copy or move assignment of entries
+        using List<T>::operator=;
 
 
     // IOstream operators

src/OpenFOAM/db/IOobjects/GlobalIOField/GlobalIOField.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2015 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2016 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -58,7 +58,7 @@ template<class Type>
 Foam::GlobalIOField<Type>::GlobalIOField
 (
     const IOobject& io,
-    const Field<Type>& f
+    const UList<Type>& content
 )
 :
     regIOobject(io)
@@ -68,7 +68,7 @@ Foam::GlobalIOField<Type>::GlobalIOField
 
     if (!readHeaderOk(IOstream::BINARY, typeName))
     {
-        Field<Type>::operator=(f);
+        Field<Type>::operator=(content);
     }
 }
 
@@ -77,7 +77,7 @@ template<class Type>
 Foam::GlobalIOField<Type>::GlobalIOField
 (
     const IOobject& io,
-    const Xfer<Field<Type>>& f
+    Field<Type>&& content
 )
 :
     regIOobject(io)
@@ -85,17 +85,38 @@ Foam::GlobalIOField<Type>::GlobalIOField
     // Check for MUST_READ_IF_MODIFIED
     warnNoRereading<GlobalIOField<Type>>();
 
-    Field<Type>::transfer(f());
+    Field<Type>::transfer(content);
 
     readHeaderOk(IOstream::BINARY, typeName);
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
 template<class Type>
-Foam::GlobalIOField<Type>::~GlobalIOField()
+Foam::GlobalIOField<Type>::GlobalIOField
-{}
+(
+    const IOobject& io,
+    const tmp<Field<Type>>& tfld
+)
+:
+    regIOobject(io)
+{
+    // Check for MUST_READ_IF_MODIFIED
+    warnNoRereading<GlobalIOField<Type>>();
+
+    const bool reuse = tfld.movable();
+
+    if (reuse)
+    {
+        Field<Type>::transfer(tfld.ref());
+    }
+
+    if (!readHeaderOk(IOstream::BINARY, typeName))
+    {
+        Field<Type>::operator=(tfld());
+    }
+
+    tfld.clear();
+}
 
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
@@ -124,11 +145,4 @@ void Foam::GlobalIOField<Type>::operator=(const GlobalIOField<Type>& rhs)
 }
 
 
-template<class Type>
-void Foam::GlobalIOField<Type>::operator=(const Field<Type>& rhs)
-{
-    Field<Type>::operator=(rhs);
-}
-
-
 // ************************************************************************* //

src/OpenFOAM/db/IOobjects/GlobalIOField/GlobalIOField.H

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2015-2017 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2016 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -61,24 +61,30 @@ public:
 
     // Constructors
 
+        //- Default copy construct
+        GlobalIOField(const GlobalIOField&) = default;
+
         //- Construct from IOobject
-        GlobalIOField(const IOobject&);
+        explicit GlobalIOField(const IOobject& io);
 
         //- Construct from IOobject and size (does not set values)
-        GlobalIOField(const IOobject&, const label size);
+        GlobalIOField(const IOobject& io, const label size);
 
-        //- Construct from components
+        //- Construct from IOobject and a List/Field content
-        GlobalIOField(const IOobject&, const Field<Type>&);
+        GlobalIOField(const IOobject& io, const UList<Type>& content);
 
-        //- Construct by transferring the Field contents
+        //- Construct by transferring the Field content
-        GlobalIOField(const IOobject&, const Xfer<Field<Type>>&);
+        GlobalIOField(const IOobject& io, Field<Type>&& content);
+
+        //- Construct by copying/moving tmp content
+        GlobalIOField(const IOobject& io, const tmp<Field<Type>>& tf);
 
 
     //- Destructor
-    virtual ~GlobalIOField();
+    virtual ~GlobalIOField() = default;
 
 
-    // Member functions
+    // Member Functions
 
         //- Is object global
         virtual bool global() const
@@ -87,24 +93,27 @@ public:
         }
 
         //- Return complete path + object name if the file exists
-        //  either in the case/processor or case otherwise null
+        //- either in the case/processor or case, otherwise null
         virtual fileName filePath() const
         {
             return globalFilePath(type());
         }
 
-        //- ReadData function required for regIOobject read operation
+        //- The readData method for regIOobject read operation
-        virtual bool readData(Istream&);
+        virtual bool readData(Istream& is);
 
-        //- WriteData function required for regIOobject write operation
+        //- The writeData method for regIOobject write operation
-        bool writeData(Ostream&) const;
+        bool writeData(Ostream& os) const;
 
 
-    // Member operators
+    // Member Operators
 
-        void operator=(const GlobalIOField<Type>&);
+        //- Copy assignment of entries
+        void operator=(const GlobalIOField<Type>& rhs);
+
+        //- Copy or move assignment of entries
+        using Field<Type>::operator=;
 
-        void operator=(const Field<Type>&);
 };
 
 

src/OpenFOAM/db/IOobjects/GlobalIOList/GlobalIOList.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2015 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2016 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -55,7 +55,11 @@ Foam::GlobalIOList<Type>::GlobalIOList(const IOobject& io, const label size)
 
 
 template<class Type>
-Foam::GlobalIOList<Type>::GlobalIOList(const IOobject& io, const List<Type>& f)
+Foam::GlobalIOList<Type>::GlobalIOList
+(
+    const IOobject& io,
+    const UList<Type>& content
+)
 :
     regIOobject(io)
 {
@@ -64,7 +68,7 @@ Foam::GlobalIOList<Type>::GlobalIOList(const IOobject& io, const List<Type>& f)
 
     if (!readHeaderOk(IOstream::BINARY, typeName))
     {
-        List<Type>::operator=(f);
+        List<Type>::operator=(content);
     }
 }
 
@@ -73,7 +77,7 @@ template<class Type>
 Foam::GlobalIOList<Type>::GlobalIOList
 (
     const IOobject& io,
-    const Xfer<List<Type>>& f
+    List<Type>&& content
 )
 :
     regIOobject(io)
@@ -81,19 +85,12 @@ Foam::GlobalIOList<Type>::GlobalIOList
     // Check for MUST_READ_IF_MODIFIED
     warnNoRereading<GlobalIOList<Type>>();
 
-    List<Type>::transfer(f());
+    List<Type>::transfer(content);
 
     readHeaderOk(IOstream::BINARY, typeName);
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
-template<class Type>
-Foam::GlobalIOList<Type>::~GlobalIOList()
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class Type>
@@ -120,11 +117,4 @@ void Foam::GlobalIOList<Type>::operator=(const GlobalIOList<Type>& rhs)
 }
 
 
-template<class Type>
-void Foam::GlobalIOList<Type>::operator=(const List<Type>& rhs)
-{
-    List<Type>::operator=(rhs);
-}
-
-
 // ************************************************************************* //

src/OpenFOAM/db/IOobjects/GlobalIOList/GlobalIOList.H

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2015-2017 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -53,7 +53,6 @@ class GlobalIOList
     public regIOobject,
     public List<Type>
 {
-
 public:
 
     TypeName("List");
@@ -61,24 +60,27 @@ public:
 
     // Constructors
 
-        //- Construct from IOobject
+        //- Default copy construct
-        GlobalIOList(const IOobject&);
+        GlobalIOList(const GlobalIOList&) = default;
 
         //- Construct from IOobject
-        GlobalIOList(const IOobject&, const label size);
+        explicit GlobalIOList(const IOobject& io);
+
+        //- Construct from IOobject
+        GlobalIOList(const IOobject& io, const label size);
 
         //- Construct from IOobject and a List
-        GlobalIOList(const IOobject&, const List<Type>&);
+        GlobalIOList(const IOobject& io, const UList<Type>& content);
 
-        //- Construct by transferring the List contents
+        //- Construct by transferring the List content
-        GlobalIOList(const IOobject&, const Xfer<List<Type>>&);
+        GlobalIOList(const IOobject& io, List<Type>&& content);
 
 
     //- Destructor
-    virtual ~GlobalIOList();
+    virtual ~GlobalIOList() = default;
 
 
-    // Member functions
+    // Member Functions
 
         //- Is object global
         virtual bool global() const
@@ -93,18 +95,20 @@ public:
             return globalFilePath(type());
         }
 
-        //- ReadData function required for regIOobject read operation
+        //- The readData method for regIOobject read operation
-        virtual bool readData(Istream&);
+        virtual bool readData(Istream& is);
 
-        //- WriteData function required for regIOobject write operation
+        //- The writeData method for regIOobject write operation
-        bool writeData(Ostream&) const;
+        bool writeData(Ostream& os) const;
 
 
-    // Member operators
+    // Member Operators
 
-        void operator=(const GlobalIOList<Type>&);
+        //- Copy assignment of entries
+        void operator=(const GlobalIOList<Type>& rhs);
 
-        void operator=(const List<Type>&);
+        //- Copy or move assignment of entries
+        using List<Type>::operator=;
 };
 
 

src/OpenFOAM/db/IOobjects/IOField/IOField.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2016 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -115,7 +115,7 @@ Foam::IOField<Type>::IOField(const IOobject& io, const label size)
 
 
 template<class Type>
-Foam::IOField<Type>::IOField(const IOobject& io, const Field<Type>& f)
+Foam::IOField<Type>::IOField(const IOobject& io, const UList<Type>& content)
 :
     regIOobject(io)
 {
@@ -136,20 +136,20 @@ Foam::IOField<Type>::IOField(const IOobject& io, const Field<Type>& f)
     }
     else
     {
-        Field<Type>::operator=(f);
+        Field<Type>::operator=(content);
     }
 }
 
 
 template<class Type>
-Foam::IOField<Type>::IOField(const IOobject& io, const Xfer<Field<Type>>& f)
+Foam::IOField<Type>::IOField(const IOobject& io, Field<Type>&& content)
 :
     regIOobject(io)
 {
     // Check for MUST_READ_IF_MODIFIED
     warnNoRereading<IOField<Type>>();
 
-    Field<Type>::transfer(f());
+    Field<Type>::transfer(content);
 
     if
     (
@@ -166,11 +166,38 @@ Foam::IOField<Type>::IOField(const IOobject& io, const Xfer<Field<Type>>& f)
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
 template<class Type>
-Foam::IOField<Type>::~IOField()
+Foam::IOField<Type>::IOField(const IOobject& io, const tmp<Field<Type>>& tfld)
-{}
+:
+    regIOobject(io)
+{
+    const bool reuse = tfld.movable();
+
+    if (reuse)
+    {
+        Field<Type>::transfer(tfld.ref());
+    }
+
+    if
+    (
+        (
+            io.readOpt() == IOobject::MUST_READ
+         || io.readOpt() == IOobject::MUST_READ_IF_MODIFIED
+        )
+     || (io.readOpt() == IOobject::READ_IF_PRESENT && headerOk())
+    )
+    {
+        readStream(typeName) >> *this;
+        close();
+    }
+    else if (!reuse)
+    {
+        Field<Type>::operator=(tfld());
+    }
+
+    tfld.clear();
+}
+
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
@@ -190,11 +217,4 @@ void Foam::IOField<Type>::operator=(const IOField<Type>& rhs)
 }
 
 
-template<class Type>
-void Foam::IOField<Type>::operator=(const Field<Type>& rhs)
-{
-    Field<Type>::operator=(rhs);
-}
-
-
 // ************************************************************************* //

src/OpenFOAM/db/IOobjects/IOField/IOField.H

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -53,7 +53,6 @@ class IOField
     public regIOobject,
     public Field<Type>
 {
-
 public:
 
     TypeName("Field");
@@ -61,36 +60,44 @@ public:
 
     // Constructors
 
+        //- Default copy construct
+        IOField(const IOField&) = default;
+
         //- Construct from IOobject
-        IOField(const IOobject&);
+        explicit IOField(const IOobject& io);
 
         //- Construct from IOobject; does local processor require reading?
-        IOField(const IOobject&, const bool valid);
+        IOField(const IOobject& io, const bool valid);
 
         //- Construct from IOobject and size (does not set values)
-        IOField(const IOobject&, const label size);
+        IOField(const IOobject& io, const label size);
 
-        //- Construct from components
+        //- Construct from IOobject and a List/Field content
-        IOField(const IOobject&, const Field<Type>&);
+        IOField(const IOobject& io, const UList<Type>& content);
 
-        //- Construct by transferring the Field contents
+        //- Construct by transferring the Field content
-        IOField(const IOobject&, const Xfer<Field<Type>>&);
+        IOField(const IOobject& io, Field<Type>&& content);
+
+        //- Construct by copying/moving tmp content
+        IOField(const IOobject& io, const tmp<Field<Type>>& tfld);
 
 
     //- Destructor
-    virtual ~IOField();
+    virtual ~IOField() = default;
 
 
-    // Member functions
+    // Member Functions
 
-        bool writeData(Ostream&) const;
+        bool writeData(Ostream& os) const;
 
 
-    // Member operators
+    // Member Operators
 
-        void operator=(const IOField<Type>&);
+        //- Copy assignment of entries
+        void operator=(const IOField<Type>& rhs);
 
-        void operator=(const Field<Type>&);
+        //- Copy or move assignment of entries
+        using Field<Type>::operator=;
 };
 
 

src/OpenFOAM/db/IOobjects/IOList/IOList.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2016 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -51,7 +51,7 @@ Foam::IOList<T>::IOList(const IOobject& io)
 
 
 template<class T>
-Foam::IOList<T>::IOList(const IOobject& io, const label size)
+Foam::IOList<T>::IOList(const IOobject& io, const label len)
 :
     regIOobject(io)
 {
@@ -72,13 +72,13 @@ Foam::IOList<T>::IOList(const IOobject& io, const label size)
     }
     else
     {
-        List<T>::setSize(size);
+        List<T>::setSize(len);
     }
 }
 
 
 template<class T>
-Foam::IOList<T>::IOList(const IOobject& io, const List<T>& list)
+Foam::IOList<T>::IOList(const IOobject& io, const UList<T>& content)
 :
     regIOobject(io)
 {
@@ -99,20 +99,20 @@ Foam::IOList<T>::IOList(const IOobject& io, const List<T>& list)
     }
     else
     {
-        List<T>::operator=(list);
+        List<T>::operator=(content);
     }
 }
 
 
 template<class T>
-Foam::IOList<T>::IOList(const IOobject& io, const Xfer<List<T>>& list)
+Foam::IOList<T>::IOList(const IOobject& io, List<T>&& content)
 :
     regIOobject(io)
 {
     // Check for MUST_READ_IF_MODIFIED
     warnNoRereading<IOList<T>>();
 
-    List<T>::transfer(list());
+    List<T>::transfer(content);
 
     if
     (
@@ -129,13 +129,6 @@ Foam::IOList<T>::IOList(const IOobject& io, const Xfer<List<T>>& list)
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
-template<class T>
-Foam::IOList<T>::~IOList()
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class T>
@@ -154,11 +147,4 @@ void Foam::IOList<T>::operator=(const IOList<T>& rhs)
 }
 
 
-template<class T>
-void Foam::IOList<T>::operator=(const List<T>& rhs)
-{
-    List<T>::operator=(rhs);
-}
-
-
 // ************************************************************************* //

src/OpenFOAM/db/IOobjects/IOList/IOList.H

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -53,7 +53,6 @@ class IOList
     public regIOobject,
     public List<T>
 {
-
 public:
 
     //- Runtime type information
@@ -62,33 +61,39 @@ public:
 
     // Constructors
 
+        //- Default copy construct
+        IOList(const IOList&) = default;
+
         //- Construct from IOobject
-        IOList(const IOobject&);
+        explicit IOList(const IOobject& io);
 
         //- Construct from IOobject and size of IOList
-        IOList(const IOobject&, const label);
+        IOList(const IOobject& io, const label len);
 
-        //- Construct from IOobject and a List
+        //- Construct from IOobject and a copy of UList content
-        IOList(const IOobject&, const List<T>&);
+        IOList(const IOobject& io, const UList<T>& content);
 
-        //- Construct by transferring the List contents
+        //- Construct by transferring the List content
-        IOList(const IOobject&, const Xfer<List<T>>&);
+        IOList(const IOobject& io, List<T>&& content);
 
 
     //- Destructor
-    virtual ~IOList();
+    virtual ~IOList() = default;
 
 
-    // Member functions
+    // Member Functions
 
-        bool writeData(Ostream&) const;
+        bool writeData(Ostream& os) const;
 
 
-    // Member operators
+    // Member Operators
 
-        void operator=(const IOList<T>&);
+        //- Copy assignment of entries
+        void operator=(const IOList<T>& rhs);
+
+        //- Copy or move assignment of entries
+        using List<T>::operator=;
 
-        void operator=(const List<T>&);
 };
 
 

src/OpenFOAM/db/IOobjects/IOMap/IOMap.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -77,7 +77,7 @@ Foam::IOMap<T>::IOMap(const IOobject& io, const label size)
 
 
 template<class T>
-Foam::IOMap<T>::IOMap(const IOobject& io, const Map<T>& map)
+Foam::IOMap<T>::IOMap(const IOobject& io, const Map<T>& content)
 :
     regIOobject(io)
 {
@@ -98,17 +98,17 @@ Foam::IOMap<T>::IOMap(const IOobject& io, const Map<T>& map)
     }
     else
     {
-        Map<T>::operator=(map);
+        Map<T>::operator=(content);
     }
 }
 
 
 template<class T>
-Foam::IOMap<T>::IOMap(const IOobject& io, const Xfer<Map<T>>& map)
+Foam::IOMap<T>::IOMap(const IOobject& io, Map<T>&& content)
 :
     regIOobject(io)
 {
-    Map<T>::transfer(map());
+    Map<T>::transfer(content);
 
     if
     (
@@ -128,13 +128,6 @@ Foam::IOMap<T>::IOMap(const IOobject& io, const Xfer<Map<T>>& map)
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
-template<class T>
-Foam::IOMap<T>::~IOMap()
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class T>
@@ -153,11 +146,4 @@ void Foam::IOMap<T>::operator=(const IOMap<T>& rhs)
 }
 
 
-template<class T>
-void Foam::IOMap<T>::operator=(const Map<T>& rhs)
-{
-    Map<T>::operator=(rhs);
-}
-
-
 // ************************************************************************* //

src/OpenFOAM/db/IOobjects/IOMap/IOMap.H

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -54,7 +54,6 @@ class IOMap
     public regIOobject,
     public Map<T>
 {
-
 public:
 
     //- Runtime type information
@@ -63,26 +62,29 @@ public:
 
     // Constructors
 
+        //- Default copy construct
+        IOMap(const IOMap&) = default;
+
         //- Construct from IOobject
-        IOMap(const IOobject&);
+        explicit IOMap(const IOobject& io);
 
         //- Construct from IOobject and size of Map
-        IOMap(const IOobject&, const label);
+        IOMap(const IOobject& io, const label size);
 
-        //- Construct from IOobject and a Map
+        //- Construct from IOobject and a copy of Map content
-        IOMap(const IOobject&, const Map<T>&);
+        IOMap(const IOobject&, const Map<T>& content);
 
-        //- Construct by transferring the Map contents
+        //- Construct by transferring the Map content
-        IOMap(const IOobject&, const Xfer<Map<T>>&);
+        IOMap(const IOobject&, Map<T>&& content);
 
 
     //- Destructor
-    virtual ~IOMap();
+    virtual ~IOMap() = default;
 
 
-    // Member functions
+    // Member Functions
 
-        bool writeData(Ostream&) const;
+        bool writeData(Ostream& os) const;
 
         //- Is object global
         virtual bool global() const
@@ -97,13 +99,13 @@ public:
             return globalFilePath(type());
         }
 
-    // Member operators
+    // Member Operators
 
-        //- Assignment of other IOMap's entries to this IOMap
+        //- Copy assignment of entries
-        void operator=(const IOMap<T>&);
+        void operator=(const IOMap<T>& rhs);
 
-        //- Assignment of other Map's entries to this IOMap
+        //- Copy or move assignment of entries
-        void operator=(const Map<T>&);
+        using Map<T>::operator=;
 };
 
 

src/OpenFOAM/db/IOobjects/IOPtrList/IOPtrList.C

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -75,10 +75,10 @@ Foam::IOPtrList<T>::IOPtrList(const IOobject& io)
 
 
 template<class T>
-Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const label s)
+Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const label len)
 :
     regIOobject(io),
-    PtrList<T>(s)
+    PtrList<T>(len)
 {
     if (io.readOpt() != IOobject::NO_READ)
     {
@@ -90,7 +90,7 @@ Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const label s)
 
 
 template<class T>
-Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const PtrList<T>& list)
+Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const PtrList<T>& content)
 :
     regIOobject(io)
 {
@@ -111,17 +111,17 @@ Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const PtrList<T>& list)
     }
     else
     {
-        PtrList<T>::operator=(list);
+        PtrList<T>::operator=(content);
     }
 }
 
 
 template<class T>
-Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const Xfer<PtrList<T>>& list)
+Foam::IOPtrList<T>::IOPtrList(const IOobject& io, PtrList<T>&& content)
 :
     regIOobject(io)
 {
-    PtrList<T>::transfer(list());
+    PtrList<T>::transfer(content);
 
     if
     (
@@ -141,13 +141,6 @@ Foam::IOPtrList<T>::IOPtrList(const IOobject& io, const Xfer<PtrList<T>>& list)
 }
 
 
-// * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * * //
-
-template<class T>
-Foam::IOPtrList<T>::~IOPtrList()
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class T>
@@ -165,4 +158,5 @@ void Foam::IOPtrList<T>::operator=(const IOPtrList<T>& rhs)
     PtrList<T>::operator=(rhs);
 }
 
+
 // ************************************************************************* //

src/OpenFOAM/db/IOobjects/IOPtrList/IOPtrList.H

@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-     \\/     M anipulation  |
+     \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -53,7 +53,6 @@ class IOPtrList
     public regIOobject,
     public PtrList<T>
 {
-
 public:
 
     //- Runtime type information
@@ -62,35 +61,42 @@ public:
 
     // Constructors
 
-        //- Construct from IOobject using given Istream constructor class
+        //- Default copy construct
-        template<class INew>
+        IOPtrList(const IOPtrList&) = default;
-        IOPtrList(const IOobject&, const INew&);
 
         //- Construct from IOobject
-        IOPtrList(const IOobject&);
+        explicit IOPtrList(const IOobject& io);
+
+        //- Construct from IOobject using given Istream constructor class
+        template<class INew>
+        IOPtrList(const IOobject& io, const INew& inewt);
 
         //- Construct from IOobject with given size
-        IOPtrList(const IOobject&, const label);
+        IOPtrList(const IOobject& io, const label len);
 
-        //- Construct from IOobject and a PtrList
+        //- Construct from IOobject and a copy of PtrList content
-        IOPtrList(const IOobject&, const PtrList<T>&);
+        IOPtrList(const IOobject& io, const PtrList<T>& content);
 
-        //- Construct by transferring the PtrList contents
+        //- Construct by transferring the PtrList content
-        IOPtrList(const IOobject&, const Xfer<PtrList<T>>&);
+        IOPtrList(const IOobject& io, PtrList<T>&& content);
 
 
     //- Destructor
-    virtual ~IOPtrList();
+    virtual ~IOPtrList() = default;
 
 
-    // Member functions
+    // Member Functions
 
-        bool writeData(Ostream&) const;
+        bool writeData(Ostream& os) const;
 
 
-    // Member operators
+    // Member Operators
 
-        void operator=(const IOPtrList<T>&);
+        //- Copy assignment of entries
+        void operator=(const IOPtrList<T>& rhs);
+
+        //- Copy or move assignment of entries
+        using PtrList<T>::operator=;
 };
 
 

src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.C

@@ -122,7 +122,7 @@ Foam::decomposedBlockData::decomposedBlockData
 (
     const label comm,
     const IOobject& io,
-    const Xfer<List<char>>& list,
+    List<char>&& list,
     const UPstream::commsTypes commsType
 )
 :
@@ -140,7 +140,7 @@ Foam::decomposedBlockData::decomposedBlockData
             << endl;
     }
 
-    List<char>::transfer(list());
+    List<char>::transfer(list);
 
     if
     (

src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.H

@@ -87,7 +87,7 @@ public:
         decomposedBlockData
         (
             const label comm,
-            const IOobject&,
+            const IOobject& io,
             const UPstream::commsTypes = UPstream::commsTypes::scheduled
         );
 
@@ -95,17 +95,17 @@ public:
         decomposedBlockData
         (
             const label comm,
-            const IOobject&,
+            const IOobject& io,
-            const UList<char>&,
+            const UList<char>& list,
             const UPstream::commsTypes = UPstream::commsTypes::scheduled
         );
 
-        //- Construct by transferring the IOList contents
+        //- Construct by transferring the List contents
         decomposedBlockData
         (
             const label comm,
-            const IOobject&,
+            const IOobject& io,
-            const Xfer<List<char>>&,
+            List<char>&& list,
             const UPstream::commsTypes = UPstream::commsTypes::scheduled
         );
 

src/OpenFOAM/db/IOstreams/Tstreams/ITstream.H

@@ -98,13 +98,13 @@ public:
         ITstream
         (
             const string& name,
-            const Xfer<List<token>>& tokens,
+            List<token>&& tokens,
             streamFormat format=ASCII,
             versionNumber version=currentVersion
         )
         :
             Istream(format, version),
-            tokenList(tokens),
+            tokenList(std::move(tokens)),
             name_(name),
             tokenIndex_(0)
         {

src/OpenFOAM/db/IOstreams/memory/IListStream.H

@@ -83,13 +83,6 @@ protected:
             UIListStreamAllocator(List<char>::data(), List<char>::size())
         {}
 
-        //- Transfer (move) construct
-        IListStreamAllocator(const Xfer<List<char>>& buffer)
-        :
-            List<char>(buffer),
-            UIListStreamAllocator(List<char>::data(), List<char>::size())
-        {}
-
 
     // Protected Member Functions
 
@@ -110,12 +103,6 @@ public:
         //- The current get position in the buffer
         using UIListStreamAllocator::size;
 
-        inline void swap(List<char>& list)
-        {
-            List<char>::swap(list);
-            reset_gbuffer();
-        }
-
         //- Clear storage
         inline void clearStorage()
         {
@@ -123,12 +110,11 @@ public:
             reset_gbuffer();
         }
 
-        //- Transfer contents to the Xfer container as a plain List
+        //- Transfer contents to other list
-        inline Xfer<List<char>> xfer()
+        inline void swap(List<char>& list)
         {
-            Xfer<List<char>> moved = List<char>::xfer();
+            List<char>::swap(list);
             reset_gbuffer();
-            return moved;
         }
 };
 
@@ -191,20 +177,6 @@ public:
         {}
 
 
-        //- Transfer (move) construct
-        IListStream
-        (
-            const Xfer<List<char>>& buffer,
-            streamFormat format=ASCII,
-            versionNumber version=currentVersion,
-            const Foam::string& name="input"
-        )
-        :
-            allocator_type(buffer),
-            ISstream(stream_, name, format, version)
-        {}
-
-
     // Member functions
 
         //- The current get position in the buffer