C++ Inline Function Interview Question:

Please explain, do inline functions improve performance?

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A function when defined as INLINE, the code from the function definition is directly copied into the code of the calling function.

It avoids the overhead of calling the actual function. This is because the complier performs and inline expansion which eliminates the time overhead when a function is called.
Reduces space as no separate set of instructions in memory is written.
Submitted by: Administrator