From b11aaa16d404ce7dc55de6b7338dccbf053a72bd Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 28 Jul 2016 07:17:29 +0200
Subject: Adjust to new path implementation, use to support reversibility

---
 build2/variable.ixx | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'build2/variable.ixx')

diff --git a/build2/variable.ixx b/build2/variable.ixx
index 6b59c72..4b699a6 100644
--- a/build2/variable.ixx
+++ b/build2/variable.ixx
@@ -189,7 +189,7 @@ namespace build2
       typify (v, t, &var);
   }
 
-  inline names_view
+  inline vector_view<const name>
   reverse (const value& v, names& storage)
   {
     assert (v &&
@@ -463,10 +463,11 @@ namespace build2
   inline void value_traits<name>::
   assign (value& v, name&& x)
   {
-    if (v)
-      v.as<name> () = move (x);
-    else
-      new (&v.data_) name (move (x));
+    name* p (v
+             ? &(v.as<name> () = move (x))
+             : new (&v.data_) name (move (x)));
+
+    p->original = false;
   }
 
   inline int value_traits<name>::
-- 
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