Method to_string

src/common/uf.rs:225–235

(&self)

impl ToString for UF {
    fn to_string(&self) -> String {
        let mut buf = Vec::new();
        buf.push(format!("{} sets", self.count));
        for i in 0..self.parent.len() {
            buf.push(format!(
                "{}: parent = {}, rank = {}",
                i, self.parent[i], self.rank[i]
            ));
        }
        buf.join("\n")
    }
}

macro_rules! uf_util {