Add constructor/assignment taking boost::movelib::unique_ptr

include/boost/smart_ptr/shared_ptr.hpp

@@ -55,6 +55,13 @@ template<class T> class weak_ptr;
 template<class T> class enable_shared_from_this;
 class enable_shared_from_raw;
 
+namespace movelib
+{
+
+    template< class T, class D > class unique_ptr;
+
+} // namespace movelib
+
 namespace detail
 {
 
@@ -495,6 +502,17 @@ public:
 
 #endif
 
+    template< class Y, class D >
+    shared_ptr( boost::movelib::unique_ptr< Y, D > r ): px( r.get() ), pn()
+    {
+        boost::detail::sp_assert_convertible< Y, T >();
+
+        typename boost::movelib::unique_ptr< Y, D >::pointer tmp = r.get();
+        pn = boost::detail::shared_count( r );
+
+        boost::detail::sp_deleter_construct( this, tmp );
+    }
+
     // assignment
 
     shared_ptr & operator=( shared_ptr const & r ) BOOST_NOEXCEPT
@@ -556,6 +574,27 @@ public:
 
 #endif
 
+    template<class Y, class D>
+    shared_ptr & operator=( boost::movelib::unique_ptr<Y, D> r )
+    {
+        // this_type( static_cast< unique_ptr<Y, D> && >( r ) ).swap( *this );
+
+        boost::detail::sp_assert_convertible< Y, T >();
+
+        typename boost::movelib::unique_ptr< Y, D >::pointer p = r.get();
+
+        shared_ptr tmp;
+
+        tmp.px = p;
+        tmp.pn = boost::detail::shared_count( r );
+
+        boost::detail::sp_deleter_construct( &tmp, p );
+
+        tmp.swap( *this );
+
+        return *this;
+    }
+
 // Move support
 
 #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )