partition.rs

fn partition<'a>(s: &'a str, p: &str) -> (&'a str, &'a str) {
    match s.find(p) {
        Some(i) => (&s[..i], &s[i+p.len()..]),
        None => (s, ""),
    }
}

fn rpartition<'a>(s: &'a str, p: &str) -> (&'a str, &'a str) {
    match s.rfind(p) {
        Some(i) => (&s[..i], &s[i+p.len()..]),
        None => ("", s),
    }
}

fn main() {
    println!("{:?}", partition("wowie zowie kablowie", " "));
    println!("{:?}", partition("single", " "));
    println!("{:?}", rpartition("wowie zowie kablowie", " "));
    println!("{:?}", rpartition("single", " "));
}