diff options
Diffstat (limited to 'compiler/rustc_data_structures/src/captures.rs')
| -rw-r--r-- | compiler/rustc_data_structures/src/captures.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_data_structures/src/captures.rs b/compiler/rustc_data_structures/src/captures.rs new file mode 100644 index 000000000..677ccb314 --- /dev/null +++ b/compiler/rustc_data_structures/src/captures.rs @@ -0,0 +1,8 @@ +/// "Signaling" trait used in impl trait to tag lifetimes that you may +/// need to capture but don't really need for other reasons. +/// Basically a workaround; see [this comment] for details. +/// +/// [this comment]: https://github.com/rust-lang/rust/issues/34511#issuecomment-373423999 +pub trait Captures<'a> {} + +impl<'a, T: ?Sized> Captures<'a> for T {} |