protocol-rust.rs

#[derive(Debug, Clone)]
pub enum RValue {
    RStr(String),
    // RBulkString(ByteString),
    RNumber(f64),
    Error(String),
    RList(Vec<RValue>),
    Nil,
}

impl RValue {
    pub fn encode(&self) -> String {
        match self {
            RValue::Nil => String::from("*-1\r\n"),
            RValue::RStr(s) => format!("+{}\r\n", s),
            RValue::RNumber(n) => format!(":{}\r\n", n),
            RValue::Error(e) => format!("-{}\r\n", e),
            RValue::RList(list) => {
                let mut r = format!("*{}\r\n", list.len());
                for s in list {
                    r += &s.encode();
                }
                r
            }
        }
    }
}