class base { // 和前面一样，只是这里声明了
public: // operator delete
static void * operator new(size_t size);
static void operator delete(void *rawmemory, size_t size);
...
};
void base::operator delete(void *rawmemory, size_t size)
{
if (rawmemory == 0) return; // 检查空指针
if (size != sizeof(base)) { // 如果size"错误"，
::operator delete(rawmemory); // 让标准operator来处理请求
return;
}
释放指向rawmemory的内存;
return;
}
可见，有关operator new和opera