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use crate::{geocoding::reverse::ReverseRequest, types::Language};

impl<'a> ReverseRequest<'a> {
    /// Specifies the language in which to return results.
    ///
    /// # Arguments:
    ///
    /// * `language` - The language in which to return results.
    ///
    /// # Description
    ///
    /// * See the [list of supported
    /// languages](https://developers.google.com/maps/faq#languagesupport).
    /// Google often updates the supported languages, so this list may not be
    /// exhaustive.
    ///
    /// * If `language` is not supplied, the geocoder attempts to use the
    /// preferred language as specified in the `Accept-Language` header, or the
    /// native language of the domain from which the request is sent.
    ///
    /// * The geocoder does its best to provide a street address that is
    /// readable for both the user and locals. To achieve that goal, it returns
    /// street addresses in the local language, transliterated to a script
    /// readable by the user if necessary, observing the preferred language. All
    /// other addresses are returned in the preferred language. Address
    /// components are all returned in the same language, which is chosen from
    /// the first component.
    ///
    /// * If a name is not available in the preferred language, the geocoder
    /// uses the closest match.
    ///
    /// * The preferred language has a small influence on the set of results
    /// that the API chooses to return, and the order in which they are
    /// returned. The geocoder interprets abbreviations differently depending on
    /// language, such as the abbreviations for street types, or synonyms that
    /// may be valid in one language but not in another. For example, _utca_ and
    /// _tér_ are synonyms for street and square respectively in Hungarian.
    ///
    /// # Example:
    ///
    /// * Set language for result:
    /// ```
    /// .with_language(Language::French)
    /// ```

    pub fn with_language(&'a mut self, language: Language) -> &'a mut Self {
        // Set language in ReverseRequest struct.
        self.language = Some(language);
        // Return modified ReverseRequest struct to caller.
        self
    } // fn
} // impl