blob: 8da507125cd96cc04b462ab71e17f27028ec1548 (
plain)
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|
fun add x =
let
fun add' y = x + y
in
add' 1 + add' 2
end
fun f (x : int) =
let
fun page () = return <xml><body>
<a link={page ()}>{[x]}</a>
</body></xml>
in
page
end
fun f (x : int) =
let
fun page1 () = return <xml><body>
<a link={page2 ()}>{[x]}</a>
</body></xml>
and page2 () =
case Some True of
Some r => return <xml><body><a link={page1 ()}>{[r]}</a></body></xml>
| _ => return <xml>Error</xml>
in
page2
end
fun f (x : int) =
let
fun page1 () = return <xml><body>
<a link={page2 ()}>{[x]}</a>
</body></xml>
and page2 () =
case Some True of
Some r => return <xml><body><a link={page1 ()}>{[r]}</a></body></xml>
| _ => return <xml><body><a link={page3 ()}>!!</a></body></xml>
and page3 () = return <xml><body><a link={page2 ()}>!</a><a link={page1 ()}>!</a>
<a link={page3 ()}>!</a></body></xml>
in
page3
end
datatype list t = Nil | Cons of t * list t
fun length (t ::: Type) (ls : list t) =
let
fun length' ls acc =
case ls of
Nil => acc
| Cons (_, ls') => length' ls' (acc + 1)
in
length' ls 0
end
|
