Added shared_ptr aliasing move constructor.

Signed-off-by: Gavin Lambert <github@mirality.co.nz>
2015-10-12 18:19:22 +13:00
parent df90496583
commit 05d5a4e9a0
4 changed files with 126 additions and 0 deletions
@@ -642,6 +642,14 @@ public:
        return *this;
    }

+    // aliasing move
+    template<class Y>
+    shared_ptr( shared_ptr<Y> && r, element_type * p ) BOOST_NOEXCEPT : px( p ), pn()
+    {
+        pn.swap( r.pn );
+        r.px = 0;
+    }
+
 #endif

 #if !defined( BOOST_NO_CXX11_NULLPTR )