What of the following is the equivalent statement for the functor call,
x = f(arg1, arg2);
where f is a functor and arg1 and arg2 are the arguments required by the functors?
x = f(arg1, arg2);A. f.call(arg1, arg2);
B. f.operator()(arg1, arg2);
C. f.operator(arg1, arg2);
D. f.operator(arg1, arg2)();
Answer: Option B
This Question Belongs to C Plus Plus Programming >> C Plus Plus Miscellaneous
What does the 'sizeof' operator return in C++?
A. Size of a data type in bits
B. Size of a data type in bytes
C. Size of a variable in bytes
D. Size of a variable in bits
What is the purpose of the 'static' keyword in C++?
A. To declare a variable with dynamic storage duration
B. To declare a constant
C. To declare a variable with external linkage
D. To declare a variable with static storage duration
What is the difference between '++i' and 'i++' in C++?
A. None of the above
B. They both have the same effect
C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it
D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it
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