This method is used to determine if a term is indeed an atom.
term − This is the term value which needs to be evaluated as to whether it is an atom or not.
True, if the term value is an atom or else false will be returned.
-module(helloworld). -export([start/0]). start() -> io:fwrite(atom1), io:fwrite("~n"), io:fwrite("~p~n",[is_atom(atom1)]).
The output of the above program is as follows.