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authorEelco Dolstra <edolstra@gmail.com>2019-02-12T12·43+0100
committerEelco Dolstra <edolstra@gmail.com>2019-03-14T13·10+0100
commitef52ccf035fe0bcd78226891022171a28dd6fcbe (patch)
tree25ca43089e573e826fd8341a2a436a93076c26d8 /src/libexpr/primops.cc
parent86f3b94c8c28defd7402245d60af15ce429986ff (diff)
experimental/optional -> optional
Diffstat (limited to 'src/libexpr/primops.cc')
-rw-r--r--src/libexpr/primops.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 0da9f702f4bb..6b0c55e72cd9 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -555,7 +555,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
 
     PathSet context;
 
-    std::experimental::optional<std::string> outputHash;
+    std::optional<std::string> outputHash;
     std::string outputHashAlgo;
     bool outputHashRecursive = false;