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annotate lib/ur/option.urs @ 944:da3ec6014d2f

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Filters implementation type-checking
author Adam Chlipala <adamc@hcoop.net>
date Tue, 15 Sep 2009 15:48:53 -0400
parents 0d30e6338c65
children 8c37699de273
rev   line source
adamc@841 1 datatype t = datatype Basis.option
adamc@841 2
adamc@846 3 val eq : a ::: Type -> eq a -> eq (t a)
adamc@846 4
adamc@944 5 val isNone : a ::: Type -> t a -> bool
adamc@841 6 val isSome : a ::: Type -> t a -> bool
adamc@844 7
adamc@844 8 val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b
adamc@846 9 val bind : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> t b