// count-overlap-skip.el — non-overlapping advance: "aaaa" / "aa" -> 2.
// After each match, the cursor advances by len(sub), so overlapping matches
// are skipped. This is the universal default in C/Python/Go/etc.
fn run_test() -> Int {
    let s: String = "aaaa"
    return str_count(s, "aa")
}

fn main() -> Void {
    println(int_to_str(run_test()))
}