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datatype t = datatype Basis.list
val show (a ::: Type) (_ : show a) =
let
fun show' (ls : list a) =
case ls of
[] => "[]"
| x :: ls => show x ^ " :: " ^ show' ls
in
mkShow show'
end
val rev (a ::: Type) =
let
fun rev' acc (ls : list a) =
case ls of
[] => acc
| x :: ls => rev' (x :: acc) ls
in
rev' []
end
fun mp (a ::: Type) (b ::: Type) f =
let
fun mp' acc ls =
case ls of
[] => rev acc
| x :: ls => mp' (f x :: acc) ls
in
mp' []
end
fun mapX (a ::: Type) (ctx ::: {Unit}) f =
let
fun mapX' ls =
case ls of
[] => <xml/>
| x :: ls => <xml>{f x}{mapX' ls}</xml>
in
mapX'
end
|
