Extend extra_unused_lifetimes to handle impl lifetimes
#8737
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r? @giraffate (rust-highfive has picked a reviewer for you, use r? to override) |
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giraffate
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Apr 25, 2022
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Would these cases be false positive? I found these here:
- https://github.com/rust-lang/cargo/blob/0.49.0/src/cargo/core/source/mod.rs#L111
- https://github.com/serde-rs/serde/blob/v1.0.118/serde/src/de/mod.rs#L476
// first case
use serde::de::Visitor;
pub trait Expected {
fn fmt(&self, formatter: &mut std::fmt::Formatter);
}
impl<'de, T> Expected for T
where
T: Visitor<'de>,
{
fn fmt(&self, formatter: &mut std::fmt::Formatter) {}
}
// second case
pub trait Source {
fn hey();
}
impl<'a, T: Source + ?Sized + 'a> Source for Box<T> {
fn hey() {}
}
The answer is "yes," of course. :) I think the just pushed commit fixes the problem. |
giraffate
reviewed
Apr 25, 2022
clippy_lints/src/lifetimes.rs
Outdated
| TraitFn, TraitItem, TraitItemKind, Ty, TyKind, WhereClause, WherePredicate, | ||
| }; | ||
| use rustc_lint::{LateContext, LateLintPass}; | ||
| use rustc_middle::hir::nested_filter as mir_nested_filter; |
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I don't know why this is named mir. Can this be explained?
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I think I misread the crate name. Maybe it's better now (middle_nested_filter)?
|
@bors r+ Thanks! |
|
📌 Commit c22bb06 has been approved by |
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☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test |
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Fixes #6437 (cc: @carols10cents)
changelog: fix #6437