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authorWilliam Carroll <wpcarro@gmail.com>2022-07-30T17·43-0700
committerclbot <clbot@tvl.fyi>2022-08-01T17·20+0000
commita004be56b39ce48ba7e8530ecd5d1f6fc00a70d5 (patch)
treea469987dd19b9c6fd6053ece6e9a3ca0bc423d00 /users/wpcarro/emacs/pkgs/symbol/symbol.el
parent77aeb57c645d731508da8cbfd0862cd822c088a1 (diff)
feat(wpcarro/emacs): Package symbol.el r/4359
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
Diffstat (limited to 'users/wpcarro/emacs/pkgs/symbol/symbol.el')
-rw-r--r--users/wpcarro/emacs/pkgs/symbol/symbol.el38
1 files changed, 38 insertions, 0 deletions
diff --git a/users/wpcarro/emacs/pkgs/symbol/symbol.el b/users/wpcarro/emacs/pkgs/symbol/symbol.el
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index 000000000000..4b16351831c9
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+++ b/users/wpcarro/emacs/pkgs/symbol/symbol.el
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+;;; 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