Mercurial > urweb
comparison lib/ur/option.urs @ 1544:a99b743a3087
Basis.mkMonad
author | Adam Chlipala <adam@chlipala.net> |
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date | Fri, 19 Aug 2011 15:23:01 -0400 |
parents | 757dbac0454d |
children | 36428d853c97 |
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1543:6f046b4bad24 | 1544:a99b743a3087 |
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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 |