回复：一个c++的技术问题，请各位指点....

我从Mark Joshi的书上看到：The rule of three. It says that if we need any one of copy constructor, destructor and assignment operator then we need all three.

所有跟帖： 

• C++要仔细manage resources， 比如memory, file, connection -东渡。- ♂ (216 bytes) () 11/14/2007 postreply 07:28:10

• 非常实用, thanks. -fearcpatest- ♀ (0 bytes) () 11/14/2007 postreply 10:15:42

• 多谢，不过不是很明白... -澳洲老土- ♂ (429 bytes) () 11/14/2007 postreply 13:45:17