Method SwapRemove

deps/tinyxml2/include/tinyxml2/tinyxml2.h:281–286

    }

	void SwapRemove(int i) {
		TIXMLASSERT(i >= 0 && i < _size);
		TIXMLASSERT(_size > 0);
		_mem[i] = _mem[_size - 1];
		--_size;
	}

    const T* Mem() const				{
        TIXMLASSERT( _mem );