PTV/exercises
1
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

update duration solution
All checks were successful
buildbot/mdbook test Build done.
Details

Browse Source
This commit is contained in:
AF 2024-02-16 22:57:04 +00:00
parent cbcee48b40
commit a64e7c341e
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/exercises/duration.md
View File

@ -4,12 +4,12 @@ Define `FIVE_SECONDS` as `const`:
```rust
# use std::time::Duration;
# const fn unwrap_time(d: Option<Duration>) -> Duration { match d { Some(d) => d, None => panic!() } }
# const fn unwrap<T: Copy>(o: Option<T>) -> T { match o { Some(t) => t, None => panic!() } }
const TWO_SECONDS: Duration = Duration::from_secs(2);
# /*
const FIVE_SECONDS: Duration = TWO_SECONDS + Duration::from_secs(3);
# */
# const FIVE_SECONDS: Duration = unwrap_time(TWO_SECONDS.checked_add(Duration::from_secs(3)));
# const FIVE_SECONDS: Duration = unwrap(TWO_SECONDS.checked_add(Duration::from_secs(3)));
assert_eq!(FIVE_SECONDS, Duration::from_secs(5));
```