adamc@151: con stringify = fold (fn nm :: Name => fn u :: Unit => fn t :: {Type} => [nm = string] ++ t) []
adamc@151:
adamc@151: signature S = sig
adamc@151: con rs :: {Unit}
adamc@151: val names : $(stringify rs)
adamc@151: end
adamc@151:
adamc@151: signature S' = sig
adamc@151: con rs :: {Unit}
adamc@151:
adamc@151: val handler : $(stringify rs) -> page
adamc@151: val page : unit -> page
adamc@151: end
adamc@151:
adamc@151: functor F (M : S) : S' where con rs = M.rs = struct
adamc@151: con rs = M.rs
adamc@151:
adamc@151: val handler = fn x : $(stringify M.rs) =>
adamc@151: {fold [fn rs :: {Unit} => $(stringify rs) -> $(stringify rs) -> xml body [] []]
adamc@151: (fn nm :: Name => fn u :: Unit => fn rest :: {Unit} =>
adamc@151: fn f : $(stringify rest) -> $(stringify rest) -> xml body [] [] =>
adamc@151: fn names : $(stringify ([nm] ++ rest)) =>
adamc@151: fn x : $(stringify ([nm] ++ rest)) =>
adamc@151: {cdata names.nm}: {cdata x.nm} {f (names -- nm) (x -- nm)})
adamc@151: (fn names => fn x => )
adamc@151: [M.rs] M.names x}
adamc@151:
adamc@151:
adamc@151: val page = fn () =>
adamc@151:
adamc@151: {fold [fn rs :: {Unit} => xml lform [] (stringify rs)]
adamc@151: (fn nm :: Name => fn u :: Unit => fn rest :: {Unit} =>
adamc@151: fn frag : xml lform [] (stringify rest) =>
adamc@151: {useMore frag})
adamc@151:
adamc@151: [rs]}
adamc@151:
adamc@151:
adamc@151:
adamc@151:
adamc@151: end
adamc@151:
adamc@151: structure M = F(struct
adamc@151: con rs = [A, B, C]
adamc@151:
adamc@151: val names = {A = "A", B = "B", C = "C"}
adamc@151: end)
adamc@151:
adamc@151: open M
adamc@151: