[#10167] Clarify that the lint only works if x eq. y in a `for` loop.
Reading the documentation for the lint, one could expect that the lint works in all cases that `X == Y`. This is false.
While the lint was updated, the documentation wasn't.
More information about the `N..N` problem in #5689 and #5628
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Fixes#10167
changelog: [`reversed_empty_ranges`]: Update and clarify documentation
[arithmetic-side-effects] Consider negative numbers and add more tests
Same as #9867.
Opening again because it is not possible to randomly choose a reviewer in an ongoing PR like in the rust repo.
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changelog: PF: [`arithmetic_side_effects`]: No longer lints on corner cases with negative number literals
[#9867](https://github.com/rust-lang/rust-clippy/pull/9867)
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Reading the documentation for the lint, one could expect that the lint works in all cases that `X == Y`. This is false.
While the lint was updated, the documentation wasn't.
More information about the `N..N` problem in #5689 and #5628
trim paths in `box_default`
This might help with #10089, though I have not tested that yet. In any event, it keeps the suggestion short and to the point.
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changelog: Trim paths in [`box_default`] suggestion
trim paths in `default_trait_access`/`clone_on_copy` suggestions
This should help making the suggestions more palatable. Similar to #10153.
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changelog: trim paths in [`default_trait_access`]/[`clone_on_copy`] suggestions
If the author is using todo!(), presumably they intend to use self at
some point later, so we don't have a good basis to recommend factoring
out to an associated function.
Fixes#10117.
changelog: Don't trigger [`unused_self`] if the method body contains a `todo!()` call
[`drop_ref`]: don't lint idiomatic in match arm
fixes#10122
As established in issue #9482, it is idiomatic to use a single `drop()` expression in a match arm to achieve a side-effect of a function while discarding its output. This should also apply to cases where the function returns a reference.
The change to the lint's code was less than 1 line, because all the heavy lifting was done in PR #9491.
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changelog: FP: [`drop_ref`]: No longer lints idiomatic expression in `match` arms
[#10142](https://github.com/rust-lang/rust-clippy/pull/10142)
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Expand derivable-impls to cover enums with a default unit variant.
*Please write a short comment explaining your change (or "none" for internal only changes)*
changelog: [`derivable_impls`]: suggest deriving Default for enums with a default unit variant
Make the iter_kv_map lint handle ref/mut annotations.
For the degenerate (`map(|(k, _)| k)`/`map(|(_, v)| v)`) cases a mut annotation is superfluous and a ref annotation won't compile, so no additional handling is required. For cases where the `map` call must be preserved ref/mut annotations should also be presereved so that the map body continues to work as expected.
*Please write a short comment explaining your change (or "none" for internal only changes)*
changelog: [`iter_kv_map`]: handle ref/mut annotations
For the degenerate (`map(|(k, _)| k)`/`map(|(_, v)| v)`) cases a mut annotation is superfluous and a ref annotation won't compile, so no additional handling is required. For cases where the `map` call must be preserved ref/mut annotations should also be presereved so that the map body continues to work as expected.
chore: add simple comment for `get_enclosing_block`
I was reading the code of `clippy_utils/src/lib.rs` and thought that adding comment on `get_closing_block` would be helpful to first time visitor.
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changelog: none
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don't lint field_reassign when field in closure
fixes#10136
This change makes the ContainsName struct visit all interior expressions, which means that ContainsName will return true even if `name` is used in a closure within `expr`.
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changelog: FP: [`field_reassign_with_default`]: No longer lints cases, where values are initializes from closures capturing struct values
[#10143](https://github.com/rust-lang/rust-clippy/pull/10143)
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chore: fix identation of `if_chain` in `filter_map`
This is a really small fix.
If someone could take a look at it, I would appreciate it🙏
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changelog: none
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This commit makes the ContainsName struct visit all interior
expressions, which means that ContainsName will return true
even if `name` is used in a closure within `expr`.
Move `mutex_atomic` to `restriction`
By #4295, the general consensus seems to be that `mutex_atomic` is not a useful lint in most cases. If anything, it could be useful as a restriction on code that for whatever reason can't use atomics. Keeping it in `clippy::nursery` is harmful to people attempting to use clippy for soundness.
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changelog: Moved [`mutex_atomic`] to `restriction`
[#10115](https://github.com/rust-lang/rust-clippy/pull/10115)
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