Mercurial > urweb
view demo/metaform.ur @ 788:f5fea13a60b9
Constraint syntax
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 05 May 2009 14:36:16 -0400 |
parents | aa2290c32ce2 |
children | 669ac5e9a69e |
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functor Make (M : sig con fs :: {Unit} val fl : folder fs val names : $(mapU string fs) end) = struct fun handler values = return <xml><body> {foldURX2 [string] [string] [body] (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] name value => <xml> <li> {[name]} = {[value]}</li> </xml>) [M.fs] M.fl M.names values} </body></xml> fun main () = return <xml><body> <form> {foldUR [string] [fn cols :: {Unit} => xml form [] (mapU string cols)] (fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] name (acc : xml form [] (mapU string rest)) => <xml> <li> {[name]}: <textbox{nm}/></li> {useMore acc} </xml>) <xml/> [M.fs] M.fl M.names} <submit action={handler}/> </form> </body></xml> end