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reorder stuff

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Ivan Malison 2016-06-06 23:05:33 -07:00
parent 88cc27b890
commit 23d93f3d2a
1 changed files with 14 additions and 14 deletions
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dotfiles/emacs.d/README.org
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@ -50,22 +50,22 @@ Death to any gui elements in emacs! Do this EARLY so that emacs doesn't redispla
** Compose functions taking arbitrarily many arguments and returning arbitrarily many arguments ** Compose functions taking arbitrarily many arguments and returning arbitrarily many arguments
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defmacro imalison:compose (name &rest funcs) (defun imalison:make-list (thing)
"Build a new function with NAME that is the composition of FUNCS." (if (listp thing)
`(defun ,name (&rest args) thing
(imalison:compose-helper ,funcs))) (list thing)))
(defun imalison:make-list (thing) (defmacro imalison:compose (name &rest funcs)
(if (listp thing) "Build a new function with NAME that is the composition of FUNCS."
thing `(defun ,name (&rest args)
(list thing))) (imalison:compose-helper ,funcs)))
(defmacro imalison:compose-helper (funcs) (defmacro imalison:compose-helper (funcs)
"Builds funcalls of FUNCS applied to the arg." "Builds funcalls of FUNCS applied to the arg."
(if (equal (length funcs) 0) (if (equal (length funcs) 0)
(quote args) (quote args)
`(apply ,(car funcs) `(apply ,(car funcs)
(imalison:make-list (imalison:compose-helper ,(cdr funcs)))))) (imalison:make-list (imalison:compose-helper ,(cdr funcs))))))
#+END_SRC #+END_SRC
** prefix-alternatives ** prefix-alternatives
Prefix alternatives is a macro that builds a function that selects one of a collection of functions that are provided to the macro based on the value of the prefix argument. Prefix alternatives is a macro that builds a function that selects one of a collection of functions that are provided to the macro based on the value of the prefix argument.