[C++0x] nullptr

[Jonathan Wakely]

On 3 May 2010 00:17, Magnus Fromreide wrote:
> (libstdc++-folks, there is a library patch in here that I would like to
> get reviewed if possible)

+      /**
+       *  @brief  Construct an empty %shared_ptr.
+       *  @param  __p  A null pointer constant.
+       *  @post   use_count() == 1 && get() == nullptr
+       */
       template<typename _Tp1>
+	shared_ptr(nullptr_t __p) : __shared_ptr<_Tp>() { }

This should not be a template, and I think the comment and effects are
wrong, it's not empty, since it owns the null pointer.  That means the
base class should not be default constructed.