54 lines
1.7 KiB
Scheme
54 lines
1.7 KiB
Scheme
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;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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(cond-expand
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(guile)
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(mes
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(define (cons* . rest)
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(if (null? (cdr rest)) (car rest)
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(cons (car rest) (core:apply cons* (cdr rest) (current-module)))))
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(define (apply f h . t)
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(if (null? t) (core:apply f h (current-module))
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(apply f (apply cons* (cons h t)))))
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(define (append . rest)
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(if (null? rest) '()
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(if (null? (cdr rest)) (car rest)
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(append2 (car rest) (apply append (cdr rest))))))
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(define (string . lst)
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(list->string lst))
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(define (map1 f lst)
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(if (null? lst) (list)
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(cons (f (car lst)) (map1 f (cdr lst)))))
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(define map map1)
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(define (string-append . rest)
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(apply string (apply append (map string->list rest))))))
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(define (string-join lst infix)
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(if (null? (cdr lst)) (car lst)
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(string-append (car lst) infix (string-join (cdr lst) infix))))
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(if (string=? (string-join '("foo" "bar") "/") "foo/bar")
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(exit 0))
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(exit 1)
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