From ef52ccf035fe0bcd78226891022171a28dd6fcbe Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Tue, 12 Feb 2019 13:43:32 +0100
Subject: experimental/optional -> optional

---
 src/libexpr/get-drvs.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/libexpr/get-drvs.cc')

diff --git a/src/libexpr/get-drvs.cc b/src/libexpr/get-drvs.cc
index d38ed2df3b18..21a4d7917fce 100644
--- a/src/libexpr/get-drvs.cc
+++ b/src/libexpr/get-drvs.cc
@@ -295,7 +295,7 @@ static bool getDerivation(EvalState & state, Value & v,
 }
 
 
-std::experimental::optional<DrvInfo> getDerivation(EvalState & state, Value & v,
+std::optional<DrvInfo> getDerivation(EvalState & state, Value & v,
     bool ignoreAssertionFailures)
 {
     Done done;
-- 
cgit 1.4.1