Mercurial > urweb
annotate lib/ur/option.urs @ 1653:1a8f7d667c00
More documentation on URL generation and free variables
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Sat, 31 Dec 2011 16:08:17 -0500 |
| parents | a99b743a3087 |
| children | 36428d853c97 |
| rev | line source |
|---|---|
| adamc@841 | 1 datatype t = datatype Basis.option |
| adamc@841 | 2 |
| adam@1544 | 3 val monad : monad t |
| adam@1544 | 4 |
| adamc@846 | 5 val eq : a ::: Type -> eq a -> eq (t a) |
| adamc@961 | 6 val ord : a ::: Type -> ord a -> ord (t a) |
| adamc@846 | 7 |
| adamc@944 | 8 val isNone : a ::: Type -> t a -> bool |
| adamc@841 | 9 val isSome : a ::: Type -> t a -> bool |
| adamc@844 | 10 |
| adamc@844 | 11 val mp : a ::: Type -> b ::: Type -> (a -> b) -> t a -> t b |
| adamc@846 | 12 val bind : a ::: Type -> b ::: Type -> (a -> option b) -> t a -> t b |
| adamc@1068 | 13 |
| adamc@1068 | 14 val get : a ::: Type -> a -> option a -> a |