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Rollup merge of #61231 - pnkfelix:issue-59548-linkage-diagnostic, r=petrochenkov
[rust.git] / src / librustc / util / captures.rs
1 /// "Signaling" trait used in impl trait to tag lifetimes that you may
2 /// need to capture but don't really need for other reasons.
3 /// Basically a workaround; see [this comment] for details.
4 ///
5 /// [this comment]: https://github.com/rust-lang/rust/issues/34511#issuecomment-373423999
6 pub trait Captures<'a> { }
7
8 impl<'a, T: ?Sized> Captures<'a> for T { }