Function objects have their functions called by using:
A) The dot operator (.)
B) operator()
C) The arrow operator (-)
D) The binary scope resolution operator (::)

Question

Function objects have their functions called by using:
A) The dot operator (.)
B) operator()
C) The arrow operator (->)
D) The binary scope resolution operator (::)

Quizplus · Accepted Answer

Function objects in C++ are represented by classes that overload the function call operator "()". Hence, to call the function within a function object, we use the operator "()".

Function Objects Have Their Functions Called by Using