puts :: fn(v: *u8) -> i32;
print_u32 :: fn(v: u32);

print_up_to :: fn(max: u32) {
    i := 0u32
    while i < max {
        print_u32(i)
        i = i + 1u32
    }
}

main :: fn() {
    print_up_to(42u32)
}