Function: minusp

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

Signature

(minusp NUMBER)

Documentation

Return t if NUMBER is negative.

Other relevant functions are documented in the number group.

View in manual

Probably introduced at or before Emacs version 31.1.

Shortdoc

;; number
(minusp 0)
    => nil
  (minusp -1)
    => t

Aliases

cl-minusp

Source Code

;; Defined in /usr/src/emacs/lisp/subr.el.gz
(defun minusp (number)
  "Return t if NUMBER is negative."
  (declare (ftype (function (number) boolean))
           (side-effect-free t)
           (compiler-macro (lambda (_) `(< ,number 0))))
  (< number 0))