What are some examples of function overloading in C++?

What are some examples of function overloading in C++?

Function overloading allows multiple functions to have the same name with different parameters. For example:

1. int add(int a, int b) - adds two integers.
2. double add(double a, double b) - adds two doubles.
3. int add(int a, int b, int c) - adds three integers.

Can you explain how the compiler differentiates between these functions?

The compiler differentiates overloaded functions based on the number and type of parameters. It uses the function signature, which includes the function name and the parameter types, to determine which function to call.

Are there any limitations to function overloading?

Yes, function overloading has limitations. For instance, you cannot overload functions based solely on return type, and it can lead to ambiguity if not managed carefully.

Can you give me a real-world scenario where function overloading is useful?

Certainly! A real-world scenario is in a graphics application where you might have a function drawShape(). You could overload it to handle different shapes:

• drawShape(Circle c)
• drawShape(Rectangle r)
• drawShape(Triangle t).