Inline Functions | Introduction to Programming with C++ | Part 41

If a function is inline, the compiler places a copy of the specified function’s code at each point where the function is called at compile time.
To reduce the overhead of control transfer we tend to use inline functions.
Without inline functions the compiler will have to move back and forth, thus creating more control transfers. The lesser the control transfers, the faster the speed of the compilation.
Syntax:

Inline return-type function-name(parameters){
//function-code
}

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#InlineFunctions

[CodingCleverly]

There seems to be a slight mistake at 0:40. I meant to say runtime speed instead of saying compilation speed. Inline Functions help enhance the runtime speed (the time it takes your program to run). Thank you @Peterolen for pointing it out.
Furthermore, I would like to thank every one of my subscribers! It truly means the world🌎🙌 I will continue providing you with quality content🎊. All I need from you is your support by sharing my videos with others.💗
Let's keep on coding!

[serhatarslan]

The inline keyword is related to ODR (One Definition Rule). When you do not write this keyword, the compiler can still perform inline expansion optimization. It may not do it when you write either. If that were the case this keyword would be ridiculous.

[kwieli]

good video man, i understand thanks to you 👍

[bohdan_tyshchenko]

Why does not compiler put inline everywhere automatically?

[CodingCleverly]

NOTE:
You can define a function inline using the inline keyword, which may or may not improve execution speed.

[dhanveersolanki]

You make it so understandable. Thank u!

[sebby]

so, does in your case if you did

cout << triple(5);

inline would basically do the equivalent of doing

cout << (5*3);

?