Mercurial > urweb
view lib/ur/option.urs @ 1789:2e01a36701eb
Fix bug in handling of event attributes within client-side widgets
author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 21 Jul 2012 21:07:15 -0400 |
parents | a99b743a3087 |
children | 36428d853c97 |
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datatype t = datatype Basis.option val monad : monad t 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