blob: 2ee6053801af675fa847f64a278ca88e05f8fd92 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
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
fun mapM (m ::: (Type -> Type)) (_ : monad m) (a ::: Type) (b ::: Type) f =
let
fun mapM' acc ls =
case ls of
[] => acc
| x :: ls => mapM' (x' <- f x; ls' <- acc; return (x' :: ls')) ls
in
mapM' (return [])
end
|
