1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

use std::str::FromStr;
use std::ops::Deref;
use std::time::Duration as StdDuration;

use duration::{parse_duration, Error};

/// A wrapper for duration that has `FromStr` implementation
///
/// This is useful if you want to use it somewhere where `FromStr` is
/// expected.
///
/// See `parse_duration` for the description of the format.
///
/// # Example
///
/// ```
/// use std::time::Duration;
/// let x: Duration;
/// x = "12h 5min 2ns".parse::<humantime::Duration>().unwrap().into();
/// assert_eq!(x, Duration::new(12*3600 + 5*60, 2))
/// ```
///
#[derive(Debug, PartialEq, Eq, Hash)]
pub struct Duration(StdDuration);

impl AsRef<StdDuration> for Duration {
    fn as_ref(&self) -> &StdDuration { &self.0 }
}

impl Deref for Duration {
    type Target = StdDuration;
    fn deref(&self) -> &StdDuration { &self.0 }
}

impl Into<StdDuration> for Duration {
    fn into(self) -> StdDuration { self.0 }
}

impl From<StdDuration> for Duration {
    fn from(dur: StdDuration) -> Duration { Duration(dur) }
}

impl FromStr for Duration {
    type Err = Error;
    fn from_str(s: &str) -> Result<Duration, Error> {
        parse_duration(s).map(Duration)
    }
}