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* module/Makefile.am: Add rnrs/6/base.scm and rnrs/6/control.scm to RNRS_SOURCES. * module/rnrs/6/base.scm, control.scm: New files. * test-suite/Makefile.am: Add tests/r6rs-control.test to SCM_TESTS. * test-suite/tests/r6rs-control.test: New file.
33 lines
1.2 KiB
Scheme
33 lines
1.2 KiB
Scheme
;;; control.scm --- The R6RS control structures library
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;; Copyright (C) 2010 Free Software Foundation, Inc.
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;;
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;; This library is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU Lesser General Public
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;; License as published by the Free Software Foundation; either
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;; version 3 of the License, or (at your option) any later version.
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;;
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;; This library is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; Lesser General Public License for more details.
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;;
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;; You should have received a copy of the GNU Lesser General Public
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;; License along with this library; if not, write to the Free Software
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;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(library (rnrs control (6))
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(export when unless do case-lambda)
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(import (rnrs base (6))
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(only (guile) do case-lambda))
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(define-syntax when
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(syntax-rules ()
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((when test result1 result2 ...)
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(if test (begin result1 result2 ...)))))
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(define-syntax unless
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(syntax-rules ()
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((unless test result1 result2 ...)
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(if (not test) (begin result1 result2 ...))))))
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