std/sys/pal/unsupported/
time.rs

1use crate::time::Duration;
2
3#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)]
4pub struct Instant(Duration);
5
6#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)]
7pub struct SystemTime(Duration);
8
9pub const UNIX_EPOCH: SystemTime = SystemTime(Duration::from_secs(0));
10
11impl Instant {
12    pub fn now() -> Instant {
13        panic!("time not implemented on this platform")
14    }
15
16    pub fn checked_sub_instant(&self, other: &Instant) -> Option<Duration> {
17        self.0.checked_sub(other.0)
18    }
19
20    pub fn checked_add_duration(&self, other: &Duration) -> Option<Instant> {
21        Some(Instant(self.0.checked_add(*other)?))
22    }
23
24    pub fn checked_sub_duration(&self, other: &Duration) -> Option<Instant> {
25        Some(Instant(self.0.checked_sub(*other)?))
26    }
27}
28
29impl SystemTime {
30    pub fn now() -> SystemTime {
31        panic!("time not implemented on this platform")
32    }
33
34    pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> {
35        self.0.checked_sub(other.0).ok_or_else(|| other.0 - self.0)
36    }
37
38    pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> {
39        Some(SystemTime(self.0.checked_add(*other)?))
40    }
41
42    pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> {
43        Some(SystemTime(self.0.checked_sub(*other)?))
44    }
45}
std/sys/pal/unsupported/time.rs

std/sys/pal/unsupported/
time.rs
