Method _write_it

src/libcpp/containers/block_array.hpp:669–676

     */

    __inline_call _write_it head (
        )
    {/*--- return iterator for list head */
        size_type  _off = +0;
        root_type *_ptr =(root_type*)&this->_block;
        self_type *_obj =(self_type*) this;
        return _write_it(_obj, _ptr, _off);
    }

    __inline_call _write_it tail (
        )