diff options
| -rw-r--r-- | src/libexpr/primops.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index f6c34d525..a800d2429 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -553,7 +553,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * for (auto & i : args[0]->attrs->lexicographicOrder()) { if (i->name == state.sIgnoreNulls) continue; - string key = i->name; + const string & key = i->name; vomit("processing attribute '%1%'", key); auto handleHashMode = [&](const std::string & s) { |