tvl-depot/emacs/.emacs.d/wpc/symbol.el

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;; symbol.el --- Library for working with symbols. -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;;; Commentary:
;; Library for working with symbols.
;;; Code:
;; TODO: Why is ivy mode map everywhere?
(require 'string)
;; 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))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Predicates
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun symbol/instance? (x)
"Return t if X is a symbol."
(symbolp x))
(provide 'symbol)
;;; symbol.el ends here