Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Info

In C++, a copy constructor is a special constructor that is used to create a new object that is a copy of an existing object of the same class. The copy constructor is invoked whenever a copy of an object is made, either explicitly or implicitly.

Panel
panelIconId1f4a1
panelIcon:bulb:
panelIconText💡
bgColor#F4F5F7

A copy constructor in C++ is a special type of constructor used to create a new object as a copy of an existing object. It's like having a machine that can make an exact duplicate of a toy. You put a toy into the machine, and it gives you a brand new toy that looks and functions exactly like the original.

When you have an object in your C++ program and you want to make a new object that starts off with the same properties and values as the original, you use a copy constructor. This is really handy when you need a duplicate of an object with all the same information, but you want to keep the original and the copy separate so that changes to one don't affect the other.

The syntax for defining a copy constructor is similar to that of a regular constructor, but with a single argument that is a reference to the same class:

...