如何让new操作符不分配内存，只调用构造函数http://blog.csdn.net/sws9999/article/details/3009779??place
如何让new操作符不分配内存，只调用构造函数
http://blog.csdn.net/sws9999/article/details/3009779
?
?
placement new
如何让new操作符不分配内存，只调用构造函数
http://blog.csdn.net/sws9999/article/details/3009779
?
?
placement new