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Different Ways of Operator Overloading in C++

We can define the operator function as the following three functions:

  1. Operator Overloading using Friend Function
  2. Operator Overloading using Member Function
  3. Operator Overloading using Global Non-Friend Function

Different Ways of Operator Overloading in C++

In C++, operator overloading is the concept that allows us to redefine the behavior of the already existing operator for our class. C++ provides a special function called operator function that can be used to achieve operator overloading.

In this article, we will learn the different ways in which we can define the operator function for operator overloading in C++.

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Different Ways of Operator Overloading in C++

We can define the operator function as the following three functions:...

1. Operator Overloading Using Friend Function

Similar to the above approach where we defined the overload function outside the class definition, we can define that function as a friend when we want our operator function to modify the value of the private data members....

2. Overloading Operator Using Member Function

In this method, we create a member operator function defined inside the class. It is one of the simplest and most straightforward methods of operator overlading....

3. Overloading Operator Using Global Function

We can also overload an operator as the global function which is not a friend of the class. The compiler will find the overload by matching the types of the argument. If there are multiple matching operator overloads, then it will throw an ambiguity error....

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