annotate demo/metaform.ur @ 1288:fc7ecf8883b1

Some post-type-checking support for polymorphic variants
author Adam Chlipala <adam@chlipala.net>
date Sat, 21 Aug 2010 10:58:13 -0400
parents 51e596feec37
children d008c4c43a0a
rev   line source
adamc@418 1 functor Make (M : sig
adamc@418 2 con fs :: {Unit}
adamc@632 3 val fl : folder fs
adamc@643 4 val names : $(mapU string fs)
adamc@418 5 end) = struct
adamc@418 6
adamc@418 7 fun handler values = return <xml><body>
adamc@1176 8 {@mapUX2 [string] [string] [body]
adamc@1093 9 (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] name value => <xml>
adamc@1093 10 <li> {[name]} = {[value]}</li>
adamc@1093 11 </xml>)
adamc@1093 12 M.fl M.names values}
adamc@418 13 </body></xml>
adamc@418 14
adamc@418 15 fun main () = return <xml><body>
adamc@418 16 <form>
adamc@1093 17 {@foldUR [string] [fn cols :: {Unit} => xml form [] (mapU string cols)]
adamc@1093 18 (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] name
adamc@1093 19 (acc : xml form [] (mapU string rest)) => <xml>
adamc@1093 20 <li> {[name]}: <textbox{nm}/></li>
adamc@1093 21 {useMore acc}
adamc@1093 22 </xml>)
adamc@1093 23 <xml/>
adamc@1093 24 M.fl M.names}
adamc@418 25 <submit action={handler}/>
adamc@418 26 </form>
adamc@418 27 </body></xml>
adamc@418 28
adamc@418 29 end