From 5389747f4fff27f85404c96ae969c0c1c7924d76 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 20 Apr 2022 11:01:04 +0200
Subject: Add butl::move_only_function[_ex] similar to C++23
 std::move_only_function

---
 libbutl/optional.hxx | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'libbutl/optional.hxx')

diff --git a/libbutl/optional.hxx b/libbutl/optional.hxx
index f569f8d..7d66ac5 100644
--- a/libbutl/optional.hxx
+++ b/libbutl/optional.hxx
@@ -63,9 +63,7 @@
 #ifdef LIBBUTL_STD_OPTIONAL
 namespace butl
 {
-  template <typename T>
-  using optional = std::optional<T>;
-
+  using std::optional;
   using std::nullopt_t;
   using std::nullopt;
 }
-- 
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