Mercurial > urweb
view lib/ur/option.urs @ 1185:338be96f8533
Undo an Especialize change that turned out to be unecessary
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 16 Mar 2010 10:09:01 -0400 |
parents | 757dbac0454d |
children | a99b743a3087 |
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datatype t = datatype Basis.option val eq : a ::: Type -> eq a -> eq (t a) val ord : a ::: Type -> ord a -> ord (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 val bind : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> t b val get : a ::: Type -> a -> option a -> a