return cxx_allocator().New( v );
}
-# ifdef CDS_EMPLACE_SUPPORT
template <typename... Args>
static node_type * alloc_node( Args&&... args )
{
return cxx_allocator().MoveNew( std::forward<Args>(args)... );
}
-# endif
static void free_node( node_type * pNode )
{
return node_to_iterator( insert_at( head(), val ) );
}
-# ifdef CDS_EMPLACE_SUPPORT
/// Inserts data of type \ref value_type constructed with <tt>std::forward<Args>(args)...</tt>
/**
Return an iterator pointing to inserted item if success \ref end() otherwise
-
- This function is available only for compiler that supports
- variadic template and move semantics
*/
template <typename... Args>
iterator emplace( Args&&... args )
{
return node_to_iterator( emplace_at( head(), std::forward<Args>(args)... ));
}
-# endif
/// Ensures that the item \p val exists in the list
/**
return insert_node_at( refHead, alloc_node( val ));
}
-# ifdef CDS_EMPLACE_SUPPORT
template <typename... Args>
node_type * emplace_at( head_type& refHead, Args&&... args )
{
return insert_node_at( refHead, alloc_node( std::forward<Args>(args)... ));
}
-# endif
+
template <typename Q>
std::pair< node_type *, bool > ensure_at( head_type& refHead, Q const& val )
{