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Make note of Hash in Borrow's docs

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This should be a bit more prominent.

Fixes #27109
This commit is contained in:
Steve Klabnik 2015-08-05 12:16:37 -04:00
parent d03456183e
commit 4a68a7e198
1 changed files with 3 additions and 0 deletions
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src/libcollections/borrow.rs
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@ -38,6 +38,9 @@ use self::Cow::*;
/// type can be borrowed as multiple different types. In particular, `Vec<T>:
/// Borrow<Vec<T>>` and `Vec<T>: Borrow<[T]>`.
///
/// If you are implementing `Borrow` and both `Self` and `Borrowed` implement
/// `Hash`, `Eq`, and/or `Ord`, they must produce the same result.
///
/// `Borrow` is very similar to, but different than, `AsRef`. See
/// [the book][book] for more.
///