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comparison lib/ur/option.urs @ 1544:a99b743a3087

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Basis.mkMonad
author Adam Chlipala <adam@chlipala.net>
date Fri, 19 Aug 2011 15:23:01 -0400
parents 757dbac0454d
children 36428d853c97
comparison
equal deleted inserted replaced
1543:6f046b4bad24 1544:a99b743a3087
1 datatype t = datatype Basis.option 1 datatype t = datatype Basis.option
2
3 val monad : monad t
2 4
3 val eq : a ::: Type -> eq a -> eq (t a) 5 val eq : a ::: Type -> eq a -> eq (t a)
4 val ord : a ::: Type -> ord a -> ord (t a) 6 val ord : a ::: Type -> ord a -> ord (t a)
5 7
6 val isNone : a ::: Type -> t a -> bool 8 val isNone : a ::: Type -> t a -> bool