//ww:run-exit 5
package main;
type ft = (i64 | str | bool);
fn askstr(s: str) ft = { return s; };
fn main() i32 = {
    let arr: [3]i64 = [10i64, 20i64, 30i64];
    let i: i32 = 1;
    let _v: i64 = arr[i];
    let a: ft = askstr("world");
    let p: u64 = (&a): u64;
    let p2: *i64 = (p + 16u64): *i64;
    let w: i64 = *p2;
    return w: i32;
};