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-rw-r--r--src/libexpr/primops/fromTOML.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libexpr/primops/fromTOML.cc b/src/libexpr/primops/fromTOML.cc
index ae8aba612..12e5de08e 100644
--- a/src/libexpr/primops/fromTOML.cc
+++ b/src/libexpr/primops/fromTOML.cc
@@ -20,7 +20,7 @@ static void prim_fromTOML(EvalState & state, const Pos & pos, Value * * args, Va
if (auto t2 = t->as_table()) {
size_t size = 0;
- for (auto & i : *t2) size++;
+ for (auto & i : *t2) { (void) i; size++; }
state.mkAttrs(v, size);