44f8117886
* module/mes/guile.scm (keyword->string): New function. * scaffold/boot/43-or.scm (foo): Add quoting. * scaffold/boot/45-pass-if.scm (pass-if): Likewise. * scaffold/boot/46-report.scm (pass-if): Likewise. * scaffold/boot/47-pass-if-eq.scm (pass-if): Likewise. * scaffold/boot/48-let.scm (map): Rename from map1. * scaffold/boot/60-let-syntax-expanded.scm: Some work.
36 lines
1.1 KiB
Scheme
36 lines
1.1 KiB
Scheme
;;; 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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(define-macro (or . x)
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(if (null? x) #f
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(if (null? (cdr x)) (car x)
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(list (list (quote lambda) (list (quote r))
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(list (quote if) (quote r) (quote r)
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(cons (quote or) (cdr x))))
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(car x)))))
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(define (f a)
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(or #t a))
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(define-macro (foo bar)
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(list 'f bar))
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(foo 3)
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(if #t (foo 3))
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