Mercurial > urweb
view tests/gformText.ur @ 744:1ef3c1ef617d
Blobs in CHANGELOG
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sun, 26 Apr 2009 10:54:45 -0400 |
parents | 71bafe66dbe1 |
children |
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con stringify = fold (fn nm :: Name => fn u :: Unit => fn t :: {Type} => [nm = string] ++ t) [] signature S = sig con rs :: {Unit} val names : $(stringify rs) end signature S' = sig con rs :: {Unit} val handler : $(stringify rs) -> page val page : unit -> page end functor F (M : S) : S' where con rs = M.rs = struct con rs = M.rs val handler = fn x : $(stringify M.rs) => <html><body> {fold [fn rs :: {Unit} => $(stringify rs) -> $(stringify rs) -> xml body [] []] (fn nm :: Name => fn u :: Unit => fn rest :: {Unit} => fn f : $(stringify rest) -> $(stringify rest) -> xml body [] [] => fn names : $(stringify ([nm] ++ rest)) => fn x : $(stringify ([nm] ++ rest)) => <body><li> {cdata names.nm}: {cdata x.nm}</li> {f (names -- nm) (x -- nm)}</body>) (fn names => fn x => <body></body>) [M.rs] M.names x} </body></html> val page = fn () => <html><body> <lform> {fold [fn rs :: {Unit} => xml lform [] (stringify rs)] (fn nm :: Name => fn u :: Unit => fn rest :: {Unit} => fn frag : xml lform [] (stringify rest) => <lform><li> <textbox{nm}/></li> {useMore frag}</lform>) <lform></lform> [rs]} <submit action={handler}/> </lform> </body></html> end structure M = F(struct con rs = [A, B, C] val names = {A = "A", B = "B", C = "C"} end) open M