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svn: r12017
This commit is contained in:
Eli Barzilay 2008-10-13 16:16:18 +00:00
parent 72f8e1d3e6
commit c08e09ae6c
1 changed files with 2 additions and 1 deletions
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3
collects/typed-scheme/private/base-env.ss
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@ -235,7 +235,8 @@
[assf (-poly (a b) ((a . -> . Univ) (-lst (-pair a b))
. -> . (-opt (-pair a b))))]
[list-ref (-poly (a) ((-lst a) -Integer . -> . a))]
[list-ref (-poly (a) ((-lst a) -Integer . -> . a))]
[list-tail (-poly (a) ((-lst a) -Integer . -> . (-lst a)))]
[positive? (-> N B)]
[negative? (-> N B)]
[odd? (-> N B)]