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| author |  Adam Chlipala <adamc@hcoop.net> | 2009-06-09 18:11:59 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2009-06-09 18:11:59 -0400 |
| commit | b7de8e9ac590f9d06df72d22489375b33a6efef9 (patch) | |
| tree | fdefe678f8d11c1efad8dbe6d535da8ccb531f59 /lib/ur/option.urs | |
| parent | 4c8297c1f381599333e998da585f4ef5ac24383b (diff) | |
Some standard library reorgs and additions; handle mutual datatypes better in Specialize
Diffstat (limited to 'lib/ur/option.urs')
| -rw-r--r-- | lib/ur/option.urs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/ur/option.urs b/lib/ur/option.urs index ced6156e..984bc681 100644 --- a/lib/ur/option.urs +++ b/lib/ur/option.urs @@ -1,5 +1,8 @@ datatype t = datatype Basis.option +val eq : a ::: Type -> eq a -> eq (t a) + val isSome : a ::: Type -> t a -> bool val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b +val bind : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> t b |