Mercurial > gui
annotate forms.ur @ 32:d32fb0f7b137
Update for Ur/Web's new type class handling
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Sun, 29 Jul 2012 12:28:46 -0400 |
| parents | 5905b56e0cd9 |
| children |
| rev | line source |
|---|---|
| adam@1 | 1 datatype readiness a = Ready of a | Waiting | Invalid of string |
| adam@1 | 2 datatype rpcResult a = Success of a | Failure of string |
| adam@1 | 3 |
| adam@1 | 4 fun warning [a] (s : signal (readiness a)) = |
| adam@1 | 5 <xml><dyn signal={v <- s; |
| adam@1 | 6 return (case v of |
| adam@1 | 7 Invalid s => <xml><b>{[s]}</b></xml> |
| adam@1 | 8 | _ => <xml/>)}/></xml> |
| kkallio@9 | 9 |
| adam@27 | 10 fun warningFmt [a ::: Type] [ctx ::: {Unit}] [ctx ~ [Dyn]] |
| adam@27 | 11 (wrap : string -> xml ([Dyn] ++ ctx) [] []) |
| kkallio@9 | 12 (s : signal (readiness a)) = |
| kkallio@9 | 13 <xml><dyn signal={v <- s; |
| kkallio@9 | 14 return (case v of |
| kkallio@9 | 15 Invalid s => wrap s |
| kkallio@9 | 16 | _ => <xml/>)}/></xml> |