Ur/Web: lib/ur/option.urs annotate

Add rand to Basis and handle it in Iflow

author	Adam Chlipala <adamc@hcoop.net>
date	Thu, 29 Apr 2010 17:24:42 -0400
parents	757dbac0454d
children	a99b743a3087

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@961	4 val ord : a ::: Type -> ord a -> ord (t a)
adamc@846	5
adamc@944	6 val isNone : a ::: Type -> t a -> bool
adamc@841	7 val isSome : a ::: Type -> t a -> bool
adamc@844	8
adamc@844	9 val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b
adamc@846	10 val bind : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> t b
adamc@1068	11
adamc@1068	12 val get : a ::: Type -> a -> option a -> a

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