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cats-function-helpers.el
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cats-function-helpers.el
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;;; cats-function-helpers.el --- Function helpers -*- lexical-binding: t -*-
;; Copyright (C) 2023 Matúš Goljer
;; Author: Matúš Goljer <matus.goljer@gmail.com>
;; Maintainer: Matúš Goljer <matus.goljer@gmail.com>
;; Created: 23rd March 2023
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(defun cats-partial (fn &optional n)
"Curry the function FN with N arguments."
(setq n (or n 1))
(if (= n 1)
(lambda (x) (funcall fn x))
(lambda (x)
(cats-partial
(apply-partially fn x)
(1- n)))))
(provide 'cats-function-helpers)
;;; cats-function-helpers.el ends here