diff options
Diffstat (limited to 'src/libexpr/get-drvs.hh')
| -rw-r--r-- | src/libexpr/get-drvs.hh | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/libexpr/get-drvs.hh b/src/libexpr/get-drvs.hh index 82fb8a3ac6a8..32294e458751 100644 --- a/src/libexpr/get-drvs.hh +++ b/src/libexpr/get-drvs.hh @@ -75,10 +75,10 @@ typedef list<DrvInfo> DrvInfos; #endif -/* If value `v' denotes a derivation, store information about the - derivation in `drv' and return true. Otherwise, return false. */ -bool getDerivation(EvalState & state, Value & v, DrvInfo & drv, - bool ignoreAssertionFailures); +/* If value `v' denotes a derivation, return a DrvInfo object + describing it. Otherwise return nothing. */ +std::experimental::optional<DrvInfo> getDerivation(EvalState & state, + Value & v, bool ignoreAssertionFailures); void getDerivations(EvalState & state, Value & v, const string & pathPrefix, Bindings & autoArgs, DrvInfos & drvs, |