tzf-rs 1.2.0

Fast convert longitude,latitude to timezone name.
Documentation 
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#[cfg(test)]
mod tests {
    use tzf_rs::DefaultFinder;
    use tzf_rs::Finder;

    #[test]
    fn smoke_test() {
        let finder = Finder::new();

        assert_eq!(finder.get_tz_name(116.3883, 39.9289), "Asia/Shanghai");
        assert_eq!(finder.get_tz_name(121.3547, 31.1139), "Asia/Shanghai");
        assert_eq!(finder.get_tz_name(111.8674, 34.4200), "Asia/Shanghai");
        assert_eq!(finder.get_tz_name(-97.8674, 34.4200), "America/Chicago");
        assert_eq!(finder.get_tz_name(139.4382, 36.4432), "Asia/Tokyo");
        assert_eq!(finder.get_tz_name(24.5212, 50.2506), "Europe/Kyiv");
        assert_eq!(finder.get_tz_name(-0.9671, 52.0152), "Europe/London");
        assert_eq!(finder.get_tz_name(-4.5706, 46.2747), "Etc/GMT");
        assert_eq!(finder.get_tz_name(-4.5706, 46.2747), "Etc/GMT");
        assert_eq!(finder.get_tz_name(-73.7729, 38.3530), "Etc/GMT+5");
        assert_eq!(finder.get_tz_name(114.1594, 22.3173), "Asia/Hong_Kong");
        assert_eq!(finder.get_tz_name(9.8198, 27.5775), "Africa/Tripoli");

        // lng: 8.61231565, lat: 47.66148548

        assert_eq!(finder.get_tz_name(8.61280918, 47.66097966) != "", true);
        assert_eq!(finder.get_tz_name(8.61231565, 47.66148548) != "", true);
    }

    #[test]
    fn no_empty() {
        let finder = DefaultFinder::new();
        // ensure not empty
        assert_eq!(
            finder.get_tz_name(8.61231564999999932297, 47.66148548000000317870) != "",
            true
        );
        assert_eq!(
            finder.get_tz_name(8.61280917999999928725, 47.66097966000000241138) != "",
            true
        );
        assert_eq!(finder.get_tz_name(8.61231565, 47.66148548) != "", true);
    }
}