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bd32131b9d
other version numbers than 7 to `scheme-report-environment`, providing initial (scheme base) library.
10 lines
198 B
Scheme
10 lines
198 B
Scheme
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(define-syntax when
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(syntax-rules ()
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((when test . body)
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(if test (begin . body)))))
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(define-syntax unless
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(syntax-rules ()
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((unless test . body)
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(when (not test) . body))))
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