This PR changes literal_string_with_formatting_args category from
`suspicious` to `nursery` since there are thousands of false positive on
GitHub.
Closes#13989 since it's no longer problematic with such false positive
with ~~`pedantic`~~ `nursery` category.
changelog: [`literal_string_with_formatting_args` ] change category to
`nursery` from `suspicious`
1.83 stabilized `CONST_MUT_REFS`, also allowing for `const fn` to mutate
through mutable references. This ensures `missing_const_for_fn` is
emitted for those cases.
changelog: [`missing_const_for_fn`]: Now suggests marking some functions
taking mutable references `const`
I'll take a short break from auto assignments. My last few weeks have
been busy and I feel like getting my inbox back in order and taking a
short breather will be the best for me.
I still plan to review the PRs I'm currently assigned to and writing the
changelogs.
Jup that's it, have a good day, who ever is reading this =^.^=
changelog: none
changelog: [`useless-nonzero-new_unchecked`]: new lint
Close#13991
### What it does
Checks for `NonZero*::new_unchecked(<literal>)` being used in a `const`
context.
### Why is this bad?
Using `NonZero*::new_unchecked()` is an `unsafe` function and requires
an `unsafe` context. When used with an
integer literal in a `const` context, `NonZero*::new().unwrap()` will
provide the same result with identical
runtime performances while not requiring `unsafe`.
### Example
```no_run
const PLAYERS: NonZeroUsize = unsafe { NonZeroUsize::new_unchecked(3) };
```
Use instead:
```no_run
const PLAYERS: NonZeroUsize = NonZeroUsize::new(3).unwrap();
```
Commit 9ef6e2199c introduced a check to
ensure that Clippy doesn't consider a lifetime present in an explicit
self types as being the default for an elided output lifetime. For
example, elision did not work in the case like:
```rust
fn func(self: &Rc<Self>, &str) -> &str { … }
```
Since Rust 1.81.0, the lifetime in the self type is now considered the
default for elision. Elision should then be suggested when appropriate.
changelog: [`needless_lifetimes`]: suggest elision of lifetimes present
in explicit self types as well
r? @Alexendoo
because of #8278
Temporaries created inside the expansion of `.await` will be dropped and
need no checking. Looking inside the expansion will trigger false
positives.
changelog: [`significant_drop_in_scrutinee`]: do not falsely warn for
temporaries created by `.await` expansion
Fix#13927
Commit 9ef6e2199c introduced a check to
ensure that Clippy doesn't consider a lifetime present in an explicit
self type as being the default for an elided output lifetime. For
example, elision did not work in the case like:
```rust
fn func(self: &Rc<Self>, &str) -> &str { … }
```
Since Rust 1.81.0, the lifetime in the self type is now considered
the default for elision. Elision should then be suggested when
appropriate.
changelog: [`slow_vector_initialization`]: auto-fix when appropriate
I made a change for `slow_vector_initialization` lint suggestion to use
`vec!` with size and remove the unneeded `resize` (or similar one) call
in #13912, while only the former one was suggested in the previous
implementation. Now, I think this lint can be automatically fixed with
no unnecessary code in some cases. I wrote “in some cases” because if
there are comments between vector declaration and `resize`, Clippy
shouldn't apply auto-fix because the comment may informational.
Some widely used crates, such as `pin-project-lite`, make use of a
`pub(crate)` construct in a private module inside a public macro. This
makes unrelated project trigger the lint.
There is also an unfortunate situation for Clippy itself: when a new
version of `pin-project-lite` or similar lint-trigerring crates is
released, those lints which can be found in hundreds of occurrences in
dependent crates will change, and appear as diffs in unrelated Clippy PR
because the base lintcheck run will be cached with the ancient release
of the crates. We currently have the situation
[here](https://github.com/rust-lang/rust-clippy/actions/runs/12635410895?pr=13851#user-content-redundant-pub-crate-removed),
which 219 lints removed and 219 lints added because of a
`pin-project-lite` version change between runs, and the fact that
`redundant_pub_crate` triggers on external macros.
Also:
- Fix#10636
- Fix#12213
changelog: [`redundant_pub_crate`]: do not trigger on external macros
It claims to be in 1.83 but in fact will not be until 1.85.
Evidence: <https://github.com/rust-lang/rust/pull/134788> is where it
was merged into rust-lang/rust, and has a milestone of 1.85.
changelog: none
changelog: [`manual_ok_err`]: new lint
Detect manual implementations of `.ok()` or `.err()`, as in
```rust
let a = match func() {
Ok(v) => Some(v),
Err(_) => None,
};
let b = if let Err(v) = func() {
Some(v)
} else {
None
};
```
which can be replaced by
```rust
let a = func().ok();
let b = func().err();
```
This pattern was detected in the wild in the Rust reimplementation of
coreutils:
https://github.com/uutils/coreutils/pull/6886#pullrequestreview-2465160137
Rerunning the PR checks when a PR is synchronized (new commits added, or
force-pushed) seems to remove the changelog checks from the UI while
keeping the PR mergeable from the maintainer's interface.
This PR reruns the cheap changelog check when a PR is synchronized.
changelog: none
r? @flip1995
Rerunning the PR checks when a PR is synchronized (new commits added, or
force-pushed) seems to remove the changelog checks from the UI while
keeping the PR mergeable from the maintainer's interface.
This PR reruns the cheap changelog check when a PR is synchronized.
This removes the last call to `LateContext::match_def_path()` in
Clippy's code. The `LateContext::match_def_path()` in the compiler
sources was only kept for Clippy's usage.
Once this PR is merged and after the rustup, I will submit one to remove
`LateContext::match_def_path()` from the compiler.
changelog: none
r? @flip1995
Checking it only in the merge queue leads to deferred failures once the
decision to merge has been taken already.
- [X] Testing first without changelog line
- [x] Now that that has failed, adding the changelog line and
force-pushing
changelog: none
The code should not attempt to obtain a snippet by capping the function
signature span with its identifier span without checking that they are
in the same context.
This is the only instance I could identify where placeholders were used
instead of the real snippet when running the CI lintcheck. Moreover, the
placeholders were not even used, as they snippet was obtained
prematurely.
Found in the context of #13941
changelog: none
Some lifetimes in function return types are not bound to concrete
content and can be set arbitrarily. Clippy should not propose to replace
them by the default `'_` lifetime if such a lifetime cannot be
determined unambigously.
I added a field to the `LifetimeChecker` and `Usage` to flag lifetimes
that cannot be replaced by default ones, but it feels a bit hacky.
Fix#13923
changelog: [`needless_lifetimes`]: remove false positives by checking
that lifetimes can indeed be elided
The code should not attempt to obtain a snippet by capping the
function signature span with its identifier span without checking that
they are in the same context.
