Function Quiz — Asked in Interviews.

Can we use function on left side of an expression in C and C++?

A) Possible in C and C++.

B) Possible in C but not in C++.

C) Possible in C++ but not in c.

D) None of the above.

Solution: C is correct

In C++, only the functions which return some reference variables can be used on the left side of an expression. The reference works in a similar way to pointers, so whenever a function returns a reference, an implicit pointer is being returned to its return value. Therefore, through this, we can use a function on the left side of an assignment statement

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