fn encode_param()

in common/base/src/url.rs [85:96]


    fn encode_param(&self) -> String {
        let mut params_vec: Vec<String> = Vec::new();
        for (k, v) in self.params.iter() {
            // let tmp = format!("{}={}", k, v);
            params_vec.push(format!("{}={}", k, v));
        }
        if params_vec.is_empty() {
            "".to_string()
        } else {
            format!("?{}", params_vec.join("&"))
        }
    }