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use serde::{Serialize, Deserialize};

/// Latitude and longitude values must correspond to a valid location on the
/// face of the earth. Latitudes can take any value between -90 and 90 while
/// longitude values can take any value between -180 and 180. If you specify an
/// invalid latitude or longitude value, your request will be rejected as a bad
/// request.

#[derive(Clone, Debug, PartialEq, PartialOrd, Serialize, Deserialize)]
pub struct LatLng {
    /// Latitude. A value between -90 and 90.
    pub lat: f64,
    /// Longitude. A value between -180 and 180.
    pub lng: f64,
} // struct

impl From<&LatLng> for String {
    /// Converts a `LatLng` struct to a `String` that contains a
    /// latitude/longitude pair.
    fn from(latlng: &LatLng) -> String {
        format!("{:.7},{:.7}", latlng.lat, latlng.lng)
    } // fn
} // impl