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emacs: Add 'guix-memoized-defalias' macro.

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* emacs/guix-utils.el (guix-memoized-defalias): New macro.
  (guix-memoized-font-lock-keywords): New variable.
This commit is contained in:
Alex Kost 2015-08-16 06:46:52 +03:00
parent e767752c79
commit 6543601fa0
1 changed files with 21 additions and 0 deletions
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21
emacs/guix-utils.el
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@ -262,6 +262,27 @@ See `defun' for the meaning of arguments."
(mapconcat #'symbol-name arglist " ")
docstring)))
(defmacro guix-memoized-defalias (symbol definition &optional docstring)
"Set SYMBOL's function definition to memoized version of DEFINITION."
(declare (doc-string 3) (indent 1))
`(defalias ',symbol
(guix-memoize #',definition)
,(or docstring
(format "Memoized version of `%S'." definition))))
(defvar guix-memoized-font-lock-keywords
(eval-when-compile
`((,(rx "("
(group "guix-memoized-" (or "defun" "defalias"))
symbol-end
(zero-or-more blank)
(zero-or-one
(group (one-or-more (or (syntax word) (syntax symbol))))))
(1 font-lock-keyword-face)
(2 font-lock-function-name-face nil t)))))
(font-lock-add-keywords 'emacs-lisp-mode guix-memoized-font-lock-keywords)
(provide 'guix-utils)
;;; guix-utils.el ends here