Item 12. Assignment and Initialization Are Different
Yes, assignment is different from initialization, which is attributed to the different function assignment: operator = operator initialization: copy constructor
-------------------------------------------------- ------------- 1, when is the assignment? Of course, there is "=" place, the rest is to call the copy constructor, such as when the function is incorporated into the parameter.
2, when is the custom class need to rewrite? Effective C said that when there is a pointer data member, and the data member is New from the class, the memory disclosure occurs when copying.
3. When the problem of rewriting the attention is overwritten Operator =, the original memory will be released first.
Detailed reference e11
