tvl-depot/emacs/.emacs.d/wpc/symbol.el
William Carroll 718899c629 More Elisp linting
In order for this to scale, I need to solve two things:
1. Ad-hoc ignore fill-column rules for URLs and other exceptions.
2. Run Elisp flychecker without evaluating my Elisp code and firing its
   side-effects.
2020-09-01 14:00:42 +01:00

49 lines
1.3 KiB
EmacsLisp

;;; symbol.el --- Library for working with symbols -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;; Version: 0.0.1
;; URL: https://git.wpcarro.dev/wpcarro/briefcase
;; Package-Requires: ((emacs "24"))
;;; Commentary:
;; Library for working with symbols.
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'string)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Symbols
(defun symbol-as-string (callback x)
"Treat the symbol, X, as a string while applying CALLBACK to it.
Coerce back to a symbol on the way out."
(->> x
#'symbol-name
callback
#'intern))
(defun symbol-to-string (x)
"Map `X' into a string."
(string-<-symbol x))
(defun symbol-hookify (x)
"Append \"-hook\" to X when X is a symbol."
(symbol-as-string #'string-hookify x))
(defun symbol-ensure-hookified (x)
"Ensure that X has \"-hook\" appended to it when X is a symbol."
(symbol-as-string #'string-ensure-hookified x))
(defun symbol-instance? (x)
"Return t if X is a symbol."
(symbolp x))
(provide 'symbol)
;;; symbol.el ends here