//ww:run
package main;
type decoder = struct { offs: i64, src: []u8 };
fn mk(s: []u8) decoder = {
    let r: decoder;
    r.offs = 0i64;
    r.src = s;
    return r;
};
fn main() i32 = {
    let b: [1]u8;
    let d: decoder = mk(b[0:1]);
    return 0;
};