Mercurial > urweb
view demo/metaform.ur @ 1242:4ed556678214
At loop heads, havoc relations that might be changed by the loop
author | Adam Chlipala <adamc@hcoop.net> |
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date | Sat, 17 Apr 2010 14:26:52 -0400 |
parents | 51e596feec37 |
children | d008c4c43a0a |
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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> {@mapUX2 [string] [string] [body] (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] name value => <xml> <li> {[name]} = {[value]}</li> </xml>) 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.fl M.names} <submit action={handler}/> </form> </body></xml> end