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Improve doc about map_clone

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This commit is contained in:
Takayuki Nakata 2020-11-18 08:33:25 +09:00
parent 44d944586c
commit 0502ac2a87
1 changed files with 3 additions and 2 deletions
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5
clippy_lints/src/map_clone.rs
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@ -14,8 +14,9 @@ use rustc_span::symbol::Ident;
use rustc_span::{sym, Span};
declare_clippy_lint! {
/// **What it does:** Checks for usage of `iterator.map(|x| x.clone())` and suggests
/// `iterator.cloned()` instead
/// **What it does:** Checks for usage of `map(|x| x.clone())` or
/// dereferencing closures for `Copy` types, on `Iterator` or `Option`,
/// and suggests `cloned()` or `copied()` instead
///
/// **Why is this bad?** Readability, this can be written more concisely
///