fn url(lang: Lang) -> String {
        format!(
            "https://data.weather.gov.hk/weatherAPI/opendata/{}.php?dataType={}&lang={}",
            Self::BASE,
            Self::DATATYPE,
            lang.to_string()
        )
    }
/// Generate the URL for retrieving the data, in specified language.
Generate the URL for retrieving the data, in specified language.
Generate the URL for retrieving the data in specified language .
fn url(lang: Lang) -> String {
        format!(
            "https://data.weather.gov.hk/weatherAPI/opendata/{}.php?dataType={}&lang={}",
            Self::BASE,
            Self::DATATYPE,
            lang.to_string()
        )
    }
fn url ( lang : Lang ) -> String { format ! ( " " Self BASE Self DATATYPE lang to_string ( ) ) }
Generate the URL for retrieving the data, in specified language.
Generate the URL for retrieving the data in specified language .
lang
Lang
lang
Lang