Function: evenp

evenp is a byte-compiled function defined in subr.el.gz.

Signature

(evenp INTEGER)

Documentation

Return t if INTEGER is even.

Other relevant functions are documented in the number group.

View in manual

Probably introduced at or before Emacs version 31.1.

Shortdoc

;; number
(evenp 6)
    => t

Aliases

cl-evenp

Source Code

;; Defined in /usr/src/emacs/lisp/subr.el.gz
(defun evenp (integer)
  "Return t if INTEGER is even."
  (declare (ftype (function (integer) boolean))
           (pure t) (side-effect-free t)
           (compiler-macro (lambda (_) `(eq (% ,integer 2) 0))))
  (eq (% integer 2) 0))