[clang-tidy] Add const references where useful

Found with performance-for-range-copy Signed-off-by: Rosen Penev <rosenp@gmail.com>
2019-09-27 19:54:41 -07:00
parent defd49b13d
commit 37b641259c
2 changed files with 5 additions and 5 deletions
--- a/src/feedback.cpp
+++ b/src/feedback.cpp
@@ -47,7 +47,7 @@ static void countTasks (const std::vector <Task>&, const std::string&, int&, int
 std::string taskIdentifiers (const std::vector <Task>& tasks)
 {
  std::vector <std::string> identifiers;
-  for (auto task: tasks)
+  for (const auto& task: tasks)
    identifiers.push_back (task.identifier (true));

  return join (", ", identifiers);