Which of the following is a valid generator function prototype for use with generate or generate_n on a vector? A) void nextLetter(); B) char nextLetter(); C) char nextLetter(char); D) char nextLetter(int);

Question

Which of the following is a valid generator function prototype for use with generate or generate_n on a vector<char>?
A) void nextLetter();
B) char nextLetter();
C) char nextLetter(char);
D) char nextLetter(int);

Quizplus · Accepted Answer

A generator function should return a value and in this case, the value should be of type char since the vector is of type char. Option B is the only prototype that returns a char type value.

Which of the Following Is a Valid Generator Function Prototype