Function: subr-primitive-p

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

Signature

(subr-primitive-p OBJECT)

Documentation

Return t if OBJECT is a built-in primitive written in C.

Such objects can be functions or special forms.

View in manual

Probably introduced at or before Emacs version 30.1.

Source Code

;; Defined in /usr/src/emacs/lisp/subr.el.gz
(defsubst subr-primitive-p (object)
  "Return t if OBJECT is a built-in primitive written in C.
Such objects can be functions or special forms."
  (declare (side-effect-free error-free))
  (and (subrp object)
       (not (native-comp-function-p object))))