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Use tail-position syntax property for non-functions.

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svn: r16451
This commit is contained in:
Sam Tobin-Hochstadt 2009-10-29 18:02:33 +00:00
parent be20c0747c
commit 6d70a48de1
1 changed files with 3 additions and 0 deletions
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3
collects/typed-scheme/typecheck/tc-let-unit.ss
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@ -94,6 +94,9 @@
[(#%plain-lambda () _)
#:fail-unless (and expected (syntax-property e 'typechecker:called-in-tail-position)) #f
(tc-expr/check e (ret (-> (tc-results->values expected))))]
[_
#:fail-unless (and expected (syntax-property e 'typechecker:called-in-tail-position)) #f
(tc-expr/check e expected)]
[_ (tc-expr e)]))
(define (tc/let-values namess exprs body form [expected #f])