Function: bignump

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

Signature

(bignump OBJECT)

Documentation

Return t if OBJECT is a bignum.

Other relevant functions are documented in the number group.

View in manual

Probably introduced at or before Emacs version 27.1.

Shortdoc

;; number
(bignump 4)
    => nil
  (bignump (expt 2 90))
    => t

Source Code

;; Defined in /usr/src/emacs/lisp/subr.el.gz
(defun bignump (object)
  "Return t if OBJECT is a bignum."
  (declare (ftype (function (t) boolean))
           (side-effect-free error-free))
  (and (integerp object) (not (fixnump object))))