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/ADIOS/dump_custom_adios.cpp
+++ b/src/ADIOS/dump_custom_adios.cpp
@ -219,7 +219,7 @@ void DumpCustomADIOS::init_style()
  delete[] columns;
  std::string combined;
  int icol = 0;
-  for (auto item : utils::split_words(columns_default)) {
+  for (const auto &item : utils::split_words(columns_default)) {
    if (combined.size()) combined += " ";
    if (keyword_user[icol].size())
      combined += keyword_user[icol];