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Diffstat (limited to 'users/wpcarro/emacs/.emacs.d/wpc/symbol.el')
-rw-r--r-- | users/wpcarro/emacs/.emacs.d/wpc/symbol.el | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/users/wpcarro/emacs/.emacs.d/wpc/symbol.el b/users/wpcarro/emacs/.emacs.d/wpc/symbol.el new file mode 100644 index 000000000000..79d665fa2036 --- /dev/null +++ b/users/wpcarro/emacs/.emacs.d/wpc/symbol.el @@ -0,0 +1,48 @@ +;;; 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: + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; 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 |