unit okfmt;

const FMT: str = "n={} hex={x} c={c} s={s} b={b} {{ok}}\n";

fn main() -> i32 {
    var raw: [8]u8 = [0, 0, 0, 0, 0, 0, 0, 0];
    var raw2: [8]u8 = [0, 0, 0, 0, 0, 0, 0, 0];
    var raw3: [8]u8 = [0, 0, 0, 0, 0, 0, 0, 0];
    var raw4: [8]u8 = [0, 0, 0, 0, 0, 0, 0, 0];
    var raw5: [8]u8 = [0, 0, 0, 0, 0, 0, 0, 0];
    var buf: []mut u8 = raw[..];
    var buf2: []mut u8 = raw2[..];
    var buf3: []mut u8 = raw3[..];
    var buf4: []mut u8 = raw4[..];
    var buf5: []mut u8 = raw5[..];
    let w: io.Writer = io.null_writer();
    const LOCAL_FMT: str = "value={}\n";
    @print(FMT, 7, 15, 'A', "yes", true);
    @fprint(w, LOCAL_FMT, 12);
    let n: usize = @sprint(buf2, "A\x42\u0043defghi");
    let n2: usize = @sprint(buf3, "xy");
    let inner_n: usize = @sprint(buf4, "xy");
    let outer_n: usize = @sprint(buf5, "n={}", @sprint(buf4, "xy"));
    if n == 8 and buf2[0] == ('A' as u8) and
       buf2[1] == ('B' as u8) and buf2[2] == ('C' as u8) and
       n2 == 2 and buf3[0] == ('x' as u8) and
       inner_n == 2 and outer_n == 3 and
       buf5[0] == ('n' as u8) and buf5[2] == ('2' as u8) { return 0; }
    return 1;
}