C++ overloading copy assignment operator=
/ shallow copy vs. deep copy / reference counting / copy on write
整理自:Thinking in C++
operator=
/ shallow copy vs. deep copy / reference counting / copy on write
整理自:Thinking in C++
整理自:Thinking in C++
整理自:Thinking in C++
整理自:Thinking in C++
整理自:Thinking in C++
整理自:Thinking in C++
整理自:Thinking in C++
整理自:Thinking in C++
整理自:Thinking in C++