diff options
author | colin <colin@cicadas.surf> | 2023-02-28 20:36:19 -0800 |
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committer | colin <colin@cicadas.surf> | 2023-02-28 20:36:19 -0800 |
commit | 501dfc88435354a8fbb12cd8aaccddf9615dc5ff (patch) | |
tree | 4d62ac7466745bc5d33b0b145d4c8b31e7c4b301 /hofs.lisp | |
parent | b4c1525e4c93e8e277e9484a4ae3669007e86712 (diff) |
added rev
Diffstat (limited to 'hofs.lisp')
-rw-r--r-- | hofs.lisp | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -27,3 +27,12 @@ returning a list of return values." (lambda (&rest args) (loop :for fn :in (cons fn1 fns) :collect (apply fn args)))) + + +(defun rev (fn) + "Return a function that applies its arguments to FN in reverse order. + +E.g. (funcall (rev #'cons) 1 2) ;; (2 . 1)" + (lambda (&rest args) + (apply fn (reverse args)))) + |