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Simplify type of hash-has-key?.

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This commit is contained in:
Eric Dobson 2013-11-17 10:52:40 -08:00
parent b11c485523
commit c0230fb6f4
1 changed files with 1 additions and 2 deletions
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3
pkgs/typed-racket-pkgs/typed-racket-lib/typed-racket/base-env/base-env.rkt
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@ -719,8 +719,7 @@
[hash-ref! (-poly (a b)
(cl-> [((-HT a b) a b) b]
[((-HT a b) a (-> b)) b]))]
[hash-has-key? (-poly (a b) (cl-> [((-HT a b) a) B]
[(-HashTop a) B]))]
[hash-has-key? (-HashTop Univ . -> . B)]
[hash-update! (-poly (a b)
(cl-> [((-HT a b) a (-> b b)) -Void]
[((-HT a b) a (-> b b) (-> b)) -Void]))]