bjoernager/rust
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Duration::zero() -> Duration::ZERO

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Duration::ZERO composes better with match and various other things,
at the cost of an occasional parens, and results in less work for the
optimizer, so let's use that instead.
This commit is contained in:
Jubilee Young 2020-10-21 18:18:18 -07:00
parent d72d5f48c2
commit ef027a1eed
3 changed files with 29 additions and 37 deletions
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6
library/std/src/time/tests.rs
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@ -75,14 +75,14 @@ fn instant_checked_duration_since_nopanic() {
let later = now + Duration::SECOND;
assert_eq!(earlier.checked_duration_since(now), None);
assert_eq!(later.checked_duration_since(now), Some(Duration::SECOND));
assert_eq!(now.checked_duration_since(now), Some(Duration::zero()));
assert_eq!(now.checked_duration_since(now), Some(Duration::ZERO));
}
#[test]
fn instant_saturating_duration_since_nopanic() {
let a = Instant::now();
let ret = (a - Duration::SECOND).saturating_duration_since(a);
assert_eq!(ret, Duration::zero());
assert_eq!(ret, Duration::ZERO);
}
#[test]
@ -90,7 +90,7 @@ fn system_time_math() {
let a = SystemTime::now();
let b = SystemTime::now();
match b.duration_since(a) {
Ok(dur) if dur == Duration::zero() => {
Ok(Duration::ZERO) => {
assert_almost_eq!(a, b);
}
Ok(dur) => {