timeago 0.6.0

Given a Duration, lossily format it like in 'N days ago'. Parsing it back to Duration is not supported yet.
Documentation 
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use super::super::{Language, TimeUnit};

#[derive(Default)]
pub struct French;
impl Language for French {
    fn clone_boxed(&self) -> super::super::BoxedLanguage {
        Box::new(Self {})
    }
    fn too_low(&self) -> &'static str {
        "maintenant"
    }
    fn too_high(&self) -> &'static str {
        "ancien"
    }
    fn ago(&self) -> &'static str {
        "il y a"
    }
    fn get_word(&self, tu: TimeUnit, x: u64) -> &'static str {
        use TimeUnit::*;
        if x == 1 {
            match tu {
                Nanoseconds => "nanoseconde",
                Microseconds => "microseconde",
                Milliseconds => "milliseconde",
                Seconds => "seconde",
                Minutes => "minute",
                Hours => "heure",
                Days => "jour",
                Weeks => "semaine",
                Months => "mois",
                Years => "année",
            }
        } else {
            match tu {
                Nanoseconds => "nanosecondes",
                Microseconds => "microsecondes",
                Milliseconds => "milisecondes",
                Seconds => "secondes",
                Minutes => "minutes",
                Hours => "heures",
                Days => "jours",
                Weeks => "semaines",
                Months => "mois",
                Years => "ans",
            }
        }
    }
    fn place_ago_before(&self) -> bool {
        true
    }
}

#[test]
fn test() {
    use super::super::Formatter;
    use std::time::Duration;
    let f = Formatter::with_language(French);
    assert_eq!(f.convert(Duration::from_secs(60)), "il y a 1 minute");
}