Function: integerp

integerp is a function defined in data.c.

Signature

(integerp OBJECT)

Documentation

Return t if OBJECT is an integer.

Other relevant functions are documented in the number group.

Probably introduced at or before Emacs version 1.6.

Shortdoc

;; number
(integerp 5.4)
    => nil

Aliases

viper-characterp (obsolete since 27.1) math-integerp Math-integerp

Source Code

// Defined in /usr/src/emacs/src/data.c
{
  if (INTEGERP (object))
    return Qt;
  return Qnil;
}