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Allow guard to take multiple bodies #268

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Merged
maplant merged 2 commits into from
May 30, 2026
Merged

Allow guard to take multiple bodies #268

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8027685
Allow guard to take multiple bodies
lshoravi May 30, 2026
6433fe7
Add a test
lshoravi May 30, 2026
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4 changes: 2 additions & 2 deletions scheme/rnrs/exceptions.sls
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Original file line number Diff line number Diff line change
Expand Up @@ -35,10 +35,10 @@

(define-syntax guard
(syntax-rules ()
([_ (var clause1 clausen ...) body]
([_ (var clause1 clausen ...) body1 body2 ...]
(call/cc
(lambda (continue)
(with-exception-handler
(lambda (var)
(guard-inner continue var clause1 clausen ...))
(lambda () body))))))))
(lambda () body1 body2 ...))))))))
5 changes: 5 additions & 0 deletions tests/r6rs.scm
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Expand Up @@ -504,3 +504,8 @@
#,(free-identifier=? #'id1 #'id2)
#,(bound-identifier=? #'id1 #'id2))])))
(assert-equal? (a fred) '(#t #f)))

;; Conditions
(guard (e (#t '()))
(+ 1 2)
(+ 3 4))
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