Function: built-in-class-p

built-in-class-p is a function defined in cl-preloaded.el.gz.

Signature

(built-in-class-p X)

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/cl-preloaded.el.gz
;; Could not find source code, showing raw function object.
#[(x) ((and (memq (type-of x) cl-struct-built-in-class-tags) t))
  (cl-struct-built-in-class-tags)]