Erlang Number is_integer Method

Numbers in Erlang

This method checks if the number is an integer value.

Syntax

Is_Integer(X)

Parameter

X-A numeric value.

Return Value

If the number specified as a parameter is an Integer value, the return value will be true, otherwise it will return false.

-module(helloworld).　
-export([start/0]).　
start()　->
　　　Num =　3,　
　　　io:fwrite("~w",[is_integer(Num)]).

When we run the above program, we will get the following results.

true

Numbers in Erlang