[Boost-commit] svn:boost r52815 - sandbox/boost0x/boost/smart_ptr

Subject: [Boost-commit] svn:boost r52815 - sandbox/boost0x/boost/smart_ptr
From: tobi_at_[hidden]
Date: 2009-05-06 20:49:32

Author: tobias.loew
Date: 2009-05-06 20:49:30 EDT (Wed, 06 May 2009)
New Revision: 52815
URL: http://svn.boost.org/trac/boost/changeset/52815

Log:
- reintroduced -nonconverting move ctor and nonconverting move assignment operator for efficiency reasons
Text files modified: 
   sandbox/boost0x/boost/smart_ptr/weak_ptr.hpp |    16 +++++++++++++++-                        
   1 files changed, 15 insertions(+), 1 deletions(-)

Modified: sandbox/boost0x/boost/smart_ptr/weak_ptr.hpp
==============================================================================
--- sandbox/boost0x/boost/smart_ptr/weak_ptr.hpp	(original)
+++ sandbox/boost0x/boost/smart_ptr/weak_ptr.hpp	2009-05-06 20:49:30 EDT (Wed, 06 May 2009)
@@ -88,9 +88,23 @@
 #endif
     : px(r.lock().get()), pn(std::move(r.pn)) // never throws
     {
-        r.px = 0;
+        //not necesary to set r.px = 0 as r.pn.pi_ == 0
     }
 
+	// for better efficiency in the T == Y case
+    weak_ptr( weak_ptr && r ): px( r.px ), pn(std::move(r.pn)) // never throws
+    {
+        //not necesary to set r.px = 0 as r.pn.pi_ == 0
+    }
+
+	// for better efficiency in the T == Y case
+    weak_ptr & operator=( weak_ptr && r ) // never throws
+    {
+        this_type( static_cast< weak_ptr && >( r ) ).swap( *this );
+        return *this;
+    }
+
+
 #endif
 
     template<class Y>