From 095583f1fbab20937720f9311ddb9945ff2b9224 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 18 Apr 2022 10:03:13 +0200
Subject: Switch recipe from std::function to butl::move_only_function_ex

---
 libbuild2/types.hxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'libbuild2/types.hxx')

diff --git a/libbuild2/types.hxx b/libbuild2/types.hxx
index 7bc6b32..cd6fdd8 100644
--- a/libbuild2/types.hxx
+++ b/libbuild2/types.hxx
@@ -59,6 +59,7 @@
 #include <libbutl/target-triplet.hxx>
 #include <libbutl/semantic-version.hxx>
 #include <libbutl/standard-version.hxx>
+#include <libbutl/move-only-function.hxx>
 
 #include <libbuild2/export.hxx>
 
@@ -82,9 +83,12 @@ namespace build2
   using std::pair;
   using std::tuple;
   using std::string;
-  using std::function;
   using std::reference_wrapper;
 
+  using std::function;
+  using butl::move_only_function;
+  using butl::move_only_function_ex;
+
   using strings = std::vector<string>;
   using cstrings = std::vector<const char*>;
 
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