Function: numberp

numberp is a function defined in data.c.

Signature

(numberp OBJECT)

Documentation

Return t if OBJECT is a number (floating point or integer).

Other relevant functions are documented in the number group.

View in manual

Probably introduced at or before Emacs version 1.6.

Shortdoc

;; number
(numberp "5.4")
    => nil

Source Code

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