All type parameters defined in a function template must appear at least once in the
A) function parameter list
B) preprocessor directives
C) function call
D) type.h file
E) None of these

Question

Quizplus · Accepted Answer

Type parameters defined in a function template must appear in the function parameter list, as this is where the actual types are provided when the function is called. Preprocessor directives do not have anything to do with type parameters in function templates, and neither does the type.h file. While the type parameters will be used in the function call, they must be listed in the parameter list for the compiler to recognize them. Therefore, the correct answer is A.

All Type Parameters Defined in a Function Template Must Appear