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author | Adam Chlipala <adamc@hcoop.net> | 2009-09-15 15:48:53 -0400 |
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committer | Adam Chlipala <adamc@hcoop.net> | 2009-09-15 15:48:53 -0400 |
commit | efa6f97eee79311cd06592ed0241acfc40561785 (patch) | |
tree | 47760017bfc37999184289878129fd3e64115e52 /lib/ur/option.urs | |
parent | 8e944e62818045b820f45776a396bc1b66ab3056 (diff) |
Filters implementation type-checking
Diffstat (limited to 'lib/ur/option.urs')
-rw-r--r-- | lib/ur/option.urs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/ur/option.urs b/lib/ur/option.urs index 984bc681..f4570768 100644 --- a/lib/ur/option.urs +++ b/lib/ur/option.urs @@ -2,6 +2,7 @@ datatype t = datatype Basis.option val eq : a ::: Type -> eq a -> eq (t a) +val isNone : a ::: Type -> t a -> bool val isSome : a ::: Type -> t a -> bool val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b |