use const refs in for loops for non tiny types

2017-12-13 11:21:18 +00:00
parent f0568ca6ac
commit b51dc56687
5 changed files with 5 additions and 5 deletions
@@ -5126,7 +5126,7 @@ void wallet2::get_outs(std::vector<std::vector<tools::wallet2::get_outs_entry>>
      // if there are just enough outputs to mix with, use all of them.
      // Eventually this should become impossible.
      uint64_t num_outs = 0, num_recent_outs = 0;
-      for (auto he: resp_t.result.histogram)
+      for (const auto &he: resp_t.result.histogram)
      {
        if (he.amount == amount)
        {