Class _wrap_alloc

src/libcpp/allocators/alloc_wrap.hpp:63–185

    typename A
             >
    class  _wrap_alloc
    {
/*-------- pointer to base allocator: stateful allocators */
    public  :
    typedef A                           allocator ;

    typedef _wrap_alloc<allocator>      self_type ;

    typedef typename
            allocator::size_type        size_type ;
    typedef typename
            allocator::diff_type        diff_type ;

    private :

    allocator     *_aptr ;

    public  :

    /*
    --------------------------------------------------------
     * _WRAP_ALLOC: construct alloc. wrapper.
    --------------------------------------------------------
     */

    __inline_call _wrap_alloc (
        allocator *_asrc = nullptr
        ) : _aptr( _asrc ) {}

    __inline_call~_wrap_alloc () = default ;

    __inline_call _wrap_alloc (
        self_type const& _src
            )                    = default ;
    __inline_call _wrap_alloc (
        self_type &&     _src
            )                    = default ;

    __inline_call
        self_type& operator = (
        self_type const& _src
            )                    = default ;
    __inline_call
        self_type& operator = (
        self_type  &&    _src
            )                    = default ;

    /*
    --------------------------------------------------------
     * GET/PUT_ALLOCATOR: access to base obj.
    --------------------------------------------------------
     */

    __inline_call
        allocator      & put_allocator (
        )
    {
        return *this->_aptr ;