Calling a Function
Explore how to call functions in C++ effectively. Understand the syntax for invoking functions, passing arguments directly or via variables, and the necessity of declaring functions before main. This lesson helps you grasp how program control flows when functions are called and how to use them multiple times with varying inputs.
We'll cover the following...
Introduction
The functions created in a program are not executed until we call them. When we call the function, control is given to the very first statement inside the called function. The basic syntax for calling a function is given below:
To call a function in a program, we have to write a function name, followed by values of arguments in the round brackets and the semicolon.
📝 We can call a function from any other function in a program.
Example program
Consider the blender example given in this lesson. Let’s declare, define, and call a function ...