ENH: improve consistency of ListOps and stringListOps

- subsetList, inplaceSubsetList with optional inverted logic.

- use moveable elements where possible.

- allow optional starting offset for the identity global function.
  Eg,  'identity(10, start)' vs 'identity(10) + start'

src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolation.C

@@ -372,8 +372,7 @@ void Foam::AMIInterpolation<SourcePatch, TargetPatch>::agglomerate
 
         // Local constructMap is just identity
         {
-            tgtConstructMap[Pstream::myProcNo()] =
-                identity(targetCoarseSize);
+            tgtConstructMap[Pstream::myProcNo()] = identity(targetCoarseSize);
         }
 
         labelList tgtCompactMap(map.constructSize());
@@ -1134,13 +1133,19 @@ void Foam::AMIInterpolation<SourcePatch, TargetPatch>::append
             {
                 mapMap.append
                 (
-                    identity(srcConstructMap[proci].size())
-                  + mapMap.size() + newMapMap.size()
+                    identity
+                    (
+                        srcConstructMap[proci].size(),
+                        (mapMap.size() + newMapMap.size())
+                    )
                 );
                 newMapMap.append
                 (
-                    identity(newSrcConstructMap[proci].size())
-                  + mapMap.size() + newMapMap.size()
+                    identity
+                    (
+                        newSrcConstructMap[proci].size(),
+                        (mapMap.size() + newMapMap.size())
+                    )
                 );
             }
 
@@ -1188,13 +1193,19 @@ void Foam::AMIInterpolation<SourcePatch, TargetPatch>::append
             {
                 mapMap.append
                 (
-                    identity(tgtConstructMap[proci].size())
-                  + mapMap.size() + newMapMap.size()
+                    identity
+                    (
+                        tgtConstructMap[proci].size(),
+                        (mapMap.size() + newMapMap.size())
+                    )
                 );
                 newMapMap.append
                 (
-                    identity(newTgtConstructMap[proci].size())
-                  + mapMap.size() + newMapMap.size()
+                    identity
+                    (
+                        newTgtConstructMap[proci].size(),
+                        (mapMap.size() + newMapMap.size())
+                    )
                 );
             }
 

src/meshTools/edgeMesh/extendedEdgeMesh/extendedEdgeMesh.C

@@ -1034,20 +1034,20 @@ Foam::extendedEdgeMesh::edgeTreesByType() const
 
         // External edges
         sliceEdges[0] =
-            identity(internalStart_ - externalStart_) + externalStart_;
+            identity((internalStart_ - externalStart_), externalStart_);
 
         // Internal edges
-        sliceEdges[1] = identity(flatStart_ - internalStart_) + internalStart_;
+        sliceEdges[1] = identity((flatStart_ - internalStart_), internalStart_);
 
         // Flat edges
-        sliceEdges[2] = identity(openStart_ - flatStart_) + flatStart_;
+        sliceEdges[2] = identity((openStart_ - flatStart_), flatStart_);
 
         // Open edges
-        sliceEdges[3] = identity(multipleStart_ - openStart_) + openStart_;
+        sliceEdges[3] = identity((multipleStart_ - openStart_), openStart_);
 
         // Multiple edges
         sliceEdges[4] =
-            identity(edges().size() - multipleStart_) + multipleStart_;
+            identity((edges().size() - multipleStart_), multipleStart_);
 
         forAll(edgeTreesByType_, i)
         {

src/meshTools/indexedOctree/treeDataFace.C

@@ -122,8 +122,7 @@ Foam::treeDataFace::treeDataFace
     mesh_(patch.boundaryMesh().mesh()),
     faceLabels_
     (
-        identity(patch.size())
-      + patch.start()
+        identity(patch.size(), patch.start())
     ),
     isTreeFace_(mesh_.nFaces(), 0),
     cacheBb_(cacheBb)

src/meshTools/mappedPatches/mappedPolyPatch/mappedPatchBase.C

@@ -281,7 +281,7 @@ void Foam::mappedPatchBase::findSamples
             else
             {
                 // patch faces
-                const labelList patchFaces(identity(pp.size()) + pp.start());
+                const labelList patchFaces(identity(pp.size(), pp.start()));
 
                 treeBoundBox patchBb
                 (

src/meshTools/regionSplit/localPointRegion.C

@@ -626,8 +626,7 @@ Foam::List<Foam::labelPair> Foam::localPointRegion::findDuplicateFacePairs
     // Faces to test: all boundary faces
     labelList testFaces
     (
-        identity(mesh.nFaces()-mesh.nInternalFaces())
-      + mesh.nInternalFaces()
+        identity(mesh.nFaces()-mesh.nInternalFaces(), mesh.nInternalFaces())
     );
 
     // Find correspondencing baffle face (or -1)

src/meshTools/searchableSurfaces/triSurfaceMesh/triSurfaceMesh.C

@@ -564,12 +564,7 @@ Foam::triSurfaceMesh::edgeTree() const
         // Boundary edges
         labelList bEdges
         (
-            identity
-            (
-                nEdges()
-               -nInternalEdges()
-            )
-          + nInternalEdges()
+            identity(nEdges() - nInternalEdges(), nInternalEdges())
         );
 
         treeBoundBox bb(Zero, Zero);