Skip to content

Add slice::contains_ref to supplement slice::contains #74044

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 3 commits into from
Closed

Add slice::contains_ref to supplement slice::contains #74044

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
15bc9b6
First version of contains_ref
poliorcetics Jul 4, 2020
6751769
Fix the bound on U and the feature in the doc test
poliorcetics Jul 4, 2020
69637c3
Expose feature gate in example
poliorcetics Sep 5, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Fix the bound on U and the feature in the doc test
  • Loading branch information
@poliorcetics
poliorcetics committed Jul 28, 2020
commit 6751769cce9047ba5b1d920f195bae5c4730ff25
2 changes: 2 additions & 0 deletions library/core/src/slice/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1412,6 +1412,7 @@ impl<T> [T] {
/// # Examples
///
/// ```
/// # #![feature(contains_ref)]
/// let v = [String::from("Hello"), String::from("world")];
/// assert!(v.contains_ref("Hello"));
/// assert!(!v.contains_ref("Rust"));
Expand All @@ -1420,6 +1421,7 @@ impl<T> [T] {
pub fn contains_ref<U>(&self, x: &U) -> bool
where
T: PartialEq<U>,
U: ?Sized,
{
self.iter().any(|e| e == x)
}
Expand Down