tvl-depot/users/wpcarro/emacs/pkgs/symbol/symbol.el
William Carroll a004be56b3 feat(wpcarro/emacs): Package symbol.el
Not sure how useful this package is, *but* I'm packaging everything I have now,
and then in a separate CL I can refactor and remove various libs.

Change-Id: Id106539b19244ea1586198992c7ce0d65a0a242b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6014
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
2022-08-01 17:20:55 +00:00

38 lines
1.1 KiB
EmacsLisp

;;; symbol.el --- Library for working with symbols -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;; Version: 0.0.1
;; Package-Requires: ((emacs "24"))
;;; Commentary:
;; Library for working with symbols.
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun symbol-to-string (symbol)
"Map `SYMBOL' into a string."
(symbol-name symbol))
(defun symbol-from-string (string)
"Map `STRING' into a symbol."
(intern string))
(defun symbol-as-string (f x)
"Treat the symbol, X, as a string while applying F to it.
Coerce back to a symbol on the way out."
(symbol-from-string (funcall f (symbol-to-string x))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Predicates
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun symbol-instance? (x)
"Return t if X is a symbol."
(symbolp x))
(provide 'symbol)
;;; symbol.el ends here