avoid excess string copy in auto loops

2022-09-01 16:02:32 -04:00
parent e0e4be1872
commit 7bba3c516f
10 changed files with 13 additions and 13 deletions
--- a/src/dump_atom.cpp
+++ b/src/dump_atom.cpp
@ -80,7 +80,7 @@ void DumpAtom::init_style()

  int icol = 0;
  columns.clear();
-  for (auto item : utils::split_words(default_columns)) {
+  for (const auto &item : utils::split_words(default_columns)) {
    if (columns.size()) columns += " ";
    if (keyword_user[icol].size()) columns += keyword_user[icol];
    else columns += item;