Skip to content

impl TrustedLen for Cycle #68352

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 1 commit into from
Closed

impl TrustedLen for Cycle #68352

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
3 changes: 3 additions & 0 deletions src/libcore/iter/adapters/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -504,6 +504,9 @@ where
#[stable(feature = "fused", since = "1.26.0")]
impl<I> FusedIterator for Cycle<I> where I: Clone + Iterator {}

#[unstable(feature = "trusted_len", issue = "37572")]
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

There is no such thing as an unstable trait impl so this would need to be changed to #[stable].

Copy link
Contributor Author

@sugar700 sugar700 Jan 19, 2020 •
edited
Loading

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

TrustedLen isn't a stable trait. Unstable is correct here, I think.

unsafe impl<I> TrustedLen for Cycle<I> where I: Clone + TrustedLen {}

/// An iterator for stepping iterators by a custom amount.
///
/// This `struct` is created by the [`step_by`] method on [`Iterator`]. See
Expand Down