Function: peg-range-designator

peg-range-designator is a byte-compiled function defined in peg.el.gz.

Signature

(peg-range-designator X)

Source Code

;; Defined in /usr/src/emacs/lisp/progmodes/peg.el.gz
(defun peg-range-designator (x)
  (and (symbolp x)
       (let ((str (symbol-name x)))
	 (and (= (length str) 3)
	      (eq (aref str 1) ?-)
	      (< (aref str 0) (aref str 2))
	      (cons (aref str 0) (aref str 2))))))