Where Inline Function Is Used?

Inline functions are commonly used when the function definitions are small, and the functions are called several times in a program. Using inline functions saves time to transfer the control of the program from the calling function to the definition of the called function.

What is inline function when and why it is used?

Inline function is one of the important feature of C++. ... This overhead occurs for small functions because execution time of small function is less than the switching time. C++ provides an inline functions to reduce the function call overhead. Inline function is a function that is expanded in line when it is called.

What is inline function example?

Example 1. C++ Copy. // inline_keyword1.cpp // compile with: /c inline int max( int a , int b ) { if( a > b ) return a; return b; } A class's member functions can be declared inline, either by using the inline keyword or by placing the function definition within the class definition.