Skip to content
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

Cow from array #117342

Closed
wants to merge 2 commits into from
Closed

Cow from array #117342

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5d402ce
cow from array
bend-n Oct 29, 2023
1935bf7
change since fieled
bend-n Nov 11, 2023
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
13 changes: 13 additions & 0 deletions library/alloc/src/vec/cow.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,19 @@ impl<'a, T: Clone> From<&'a [T]> for Cow<'a, [T]> {
}
}

#[stable(feature = "cow_from_array", since = "CURRENT_RUSTC_VERSION")]
impl<'a, const N: usize, T: Clone> From<&'a [T; N]> for Cow<'a, [T]> {
/// Creates a [`Borrowed`] variant of [`Cow`]
/// from a array.
///
/// This conversion does not allocate or clone the data.
///
/// [`Borrowed`]: crate::borrow::Cow::Borrowed
fn from(s: &'a [T; N]) -> Cow<'a, [T]> {
Cow::Borrowed(s)
}
}

#[stable(feature = "cow_from_vec", since = "1.8.0")]
impl<'a, T: Clone> From<Vec<T>> for Cow<'a, [T]> {
/// Creates an [`Owned`] variant of [`Cow`]
Expand Down
Loading