C++ | Misc C++ | Question 1

Inline functions are useful when
(A) Function is large with many nested loops
(B) Function has many static variables
(C) Function is small and we want to avoid function call overhead.
(D) None of the above


Answer: (C)

Explanation: Inline functions are generally used in place of small macros. They are substitute to macros and better than macros. See following for details.
http://en.wikipedia.org/wiki/Inline_function#Comparison_with_macros

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