Consider the following: class Incomplete; class Complete { Incomplete* Foo; // Will only compile if Foo is a pointer.
When using smart pointers with the pImpl idiom, as in struct Foo { private: struct Impl; boost::scoped_ptr<Impl> pImpl;
This one made me think: class X; void foo(X* p) { delete p; } How can we possibly delete p if we do not even know whether X has visible destructor? g++ 4.5.1 gives three warnings:
Reference here That destructor will also implicitly call the destructor of the auto_ptr object. And that wi开发者_如何学JAVAll delete the
莫道相思苦 开发者_Go百科 2022-04-27 18:47 格力空调一匹的价钱大概在2200元左右，如果不紧用的话，我建议你到冬天时候再买吧！会便宜些。
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