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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
fun add2 (x : int) (y : int) =
let
fun add3 () = x + y
in
add3
end
fun add3 (x : int) =
let
fun add2 (y : int) =
let
fun add1 (z : int) = x + y + z
in
add1
end
in
add2
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
*)
|
