ObjectiveMcq
Print Protected
This page is protected for print. Use the website to view the content.
Which among these are the data type predicates?
Correct Answer: D — atom, symbol, listp & numberp
Atom, symbolp, listp, numberp all are considered as data type predicates. Atom is used check if an argument is atom or not. Similarly, symbolp is used to check symbols, listp to check lists and numberp to check whether the argument is a number or not.