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default Order dec
$include <prelude.sail>
union exception = {
Exc_list_string : list(string),
Exc_list_int : list(int),
}
val list_length : forall ('a : Type). list('a) -> int
function list_length(xs) = match xs {
x :: xs => 1 + list_length(xs),
[||] => 0,
}
val my_cons : forall ('a : Type). ('a, list('a)) -> list('a)
val my_cons_n : forall 'n 'm, 'n >= 32 & 'n == 'm. (int('n), list(int('m))) -> list(int('m))
val specialized_cons : forall 'n, 'n == 32. (int('n), list(int('n))) -> list(int('n))
function my_cons(x, xs) = x :: xs
function my_cons_n(x, xs) = x :: xs
function specialized_cons(x, xs) = x :: xs
val hd_or_zero : list(int) -> int
function hd_or_zero(xs) = match xs {
x :: xs => x,
[||] => 0,
}
let toplevel_list : list(string) = [|"hello", "world"|]
val main : unit -> unit
function main() = {
let xs: list(int) = my_cons(1, 2 :: my_cons(3, [|4|]));
let ys = xs;
var zs = xs;
zs = 5 :: ys;
print_int("hd_or_zero(zs) = ", hd_or_zero(zs));
let xs = my_cons_n(32, [|32, 32, 32|]);
var ws = specialized_cons(32, [|32|]);
ws = xs;
print_int("list_length(xs) = ", list_length(xs));
print_int("list_length(ys) = ", list_length(ys));
print_int("list_length(zs) = ", list_length(zs));
try throw Exc_list_int(xs) catch {
Exc_list_int(x :: _) => print_int("32 == ", x),
Exc_list_string(_ :: _) => assert(false),
_ => assert(false),
};
()
}
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