blob: c5496fc00b3726098c357613ccf05bc2ad262cec (
plain)
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
|
// Copyright 2016 Amanieu d'Antras
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
use std::time::{Duration, Instant};
// Option::unchecked_unwrap
pub trait UncheckedOptionExt<T> {
unsafe fn unchecked_unwrap(self) -> T;
}
impl<T> UncheckedOptionExt<T> for Option<T> {
#[inline]
unsafe fn unchecked_unwrap(self) -> T {
match self {
Some(x) => x,
None => unreachable(),
}
}
}
// hint::unreachable_unchecked() in release mode
#[inline]
unsafe fn unreachable() -> ! {
if cfg!(debug_assertions) {
unreachable!();
} else {
core::hint::unreachable_unchecked()
}
}
#[inline]
pub fn to_deadline(timeout: Duration) -> Option<Instant> {
Instant::now().checked_add(timeout)
}
|
