Question

What is the use of is_array() function in C++?

(a) To check if a variable is array type or not

(b) To check if a variable is 1-D array type or not

(c) To check if a variable is 2-D array type or not

(d) To check if a variable is 1-D or 2-D array type or not

This question was posed to me in semester exam.

My question is taken from Array Type Manipulation in section Class Hierarchies, Library & Containers of C++

Answer 1

The correct option is (a) To check if a variable is array type or not

The best explanation: is_array() function is used to check whether a given variable is of array type or not.