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;;; ccwl --- Concise Common Workflow Language
;;; Copyright © 2021 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of ccwl.
;;;
;;; ccwl 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.
;;;
;;; ccwl 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 ccwl. If not, see <https://www.gnu.org/licenses/>.
(use-modules (srfi srfi-71)
(srfi srfi-64))
(define break-pair
(module-ref (resolve-module '(ccwl ccwl))
'break-pair))
(test-begin "ccwl")
(test-assert "break-pair"
(let ((prefix tail
(break-pair (case-lambda
((element next)
(or (odd? element)
(odd? next)))
((last)
(odd? last)))
(list 12 66 74 95 7 74 96 46 99 76 37))))
(equal? prefix (list 12 66))
(equal? tail (list 74 95 7 74 96 46 99 76 37))))
(test-assert "break-pair: check last elemet handling"
(let ((prefix tail
(break-pair (case-lambda
((element next)
(or (odd? element)
(odd? next)))
((last)
(odd? last)))
(list 12 66 74))))
(equal? prefix (list 12 66 74))
(equal? tail (list))))
(test-end "ccwl")
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