diff options
Diffstat (limited to 'third_party/nix/src/libexpr/eval.hh')
| -rw-r--r-- | third_party/nix/src/libexpr/eval.hh | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/third_party/nix/src/libexpr/eval.hh b/third_party/nix/src/libexpr/eval.hh index c244b6eecc..d2ff99c9fc 100644 --- a/third_party/nix/src/libexpr/eval.hh +++ b/third_party/nix/src/libexpr/eval.hh @@ -303,8 +303,7 @@ class EvalState : public gc { bool countCalls; - std::optional<std::function<void(const Path&)>> file_access_trace_fn = - std::nullopt; + std::function<void(const Path&)> file_access_trace_fn = nullptr; Path last_traced_file = ""; typedef std::map<Symbol, size_t> PrimOpCalls; |