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Auto merge of #3573 - Vlad-Shcherbina:map_clone_caveat, r=flip1995

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Document map_clone known problems #498

(cherry picked from commit ada0d2c548)

This was lost in relicensing (057243f16b).
However, I [acknowledged](https://github.com/rust-lang/rust-clippy/issues/3099#issuecomment-416482309) relicensing so this cherry pick should be fine I guess.
This commit is contained in:
bors 2018-12-22 15:02:50 +00:00
commit 52820e588f
1 changed files with 3 additions and 1 deletions
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clippy_lints/src/map_clone.rs
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@ -27,7 +27,9 @@ pub struct Pass;
///
/// **Why is this bad?** Readability, this can be written more concisely
///
/// **Known problems:** None.
/// **Known problems:** Sometimes `.cloned()` requires stricter trait
/// bound than `.map(|e| e.clone())` (which works because of the coercion).
/// See [#498](https://github.com/rust-lang-nursery/rust-clippy/issues/498).
///
/// **Example:**
///