Function Pop

include/cereal/external/rapidjson/memorybuffer.h:48–48

    void ShrinkToFit() { stack_.ShrinkToFit(); }
    Ch* Push(size_t count) { return stack_.template Push<Ch>(count); }
    void Pop(size_t count) { stack_.template Pop<Ch>(count); }

    const Ch* GetBuffer() const {
        return stack_.template Bottom<Ch>();