Jan 30, 2010 · Copy Constructor is an essential part of C++. Even-though any C++ compiler provides default copy constructor if at all if we don't define it explicitly in the class, We write …

Jul 19, 2010 · I know that C++ compiler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?

Mar 20, 2011 · No, they are different operators. The copy constructor is for creating a new object. It copies an existing object to a newly constructed object.The copy constructor is used to …

The difference between the copy constructor and the assignment operator causes a lot of confusion for new programmers, but it’s really not all that difficult.

So, the only difference between a copy constructor and a move constructor is whether the source object that is passed to the constructor will have its member fields copied or moved into the …

Apr 22, 2014 · Typically, the copy assignment operator will do some cleanup. If your class has a pointer to dynamically allocated memory, the first thing the copy-assignment operator should …

The copy-and-swap idiom is a way to do just that: It first calls a class' copy constructor to create a temporary object, then swaps its data with the temporary's, and then lets the temporary's …

I'm a little confused as to the mechanics of the copy constructor. Correct me if I'm wrong: If a method takes a reference to an object as a parameter, and the class defines a copy …

The default constructor is auto-generated if there is no user-declared constructor (§12.1/5). The copy constructor is auto-generated if there is no user-declared move constructor or move …

I read that template copy-con is never the default copy constructor, and template assignment-op is never a copy assignment operator. I couldn't understand why this restriction is needed, and …