Use std::nullopt

This commit is contained in:
Eelco Dolstra 2020-01-30 01:10:26 +01:00
parent 3c54e9ba01
commit ebfbfe9515

View file

@ -645,7 +645,7 @@ struct CmdFlakeArchive : FlakeCommand, MixJSON, MixDryRun
{ {
auto flake = lockFlake(); auto flake = lockFlake();
auto jsonRoot = json ? std::optional<JSONObject>(std::cout) : std::optional<JSONObject>(); auto jsonRoot = json ? std::optional<JSONObject>(std::cout) : std::nullopt;
StorePathSet sources; StorePathSet sources;