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Author SHA1 Message Date
bors
18a1831377 Auto merge of #8743 - Alexendoo:useless-attribute-redundant-pub-crate, r=llogiq 
ignore `redundant_pub_crate` in `useless_attribute`

changelog: [`useless_attribute`] no longer lints [`redundant_pub_crate`]

As mentioned in https://github.com/rust-lang/rust-clippy/issues/8732#issuecomment-1106489634

> And it turns out I can't even explicitly allow it at the usage site, because then `clippy::useless_attribute` fires (which would also be a FP?), which is deny-by-default.
>
> Though it does work if I then allow `clippy::useless_attribute`. 😂
>
> ```rust
> #[allow(clippy::useless_attribute)]
> #[allow(clippy::redundant_pub_crate)]
> pub(crate) use bit;
> ```
>
> The originally-reported warning now no longer occurs.
 2022-04-27 05:43:13 +00:00
bors
95396f61bc Auto merge of #8617 - Alexendoo:relax-needless-late-init, r=giraffate 
`needless_late_init`: ignore `if let`, `let mut` and significant drops

No longer lints `if let`, personal taste on this one is pretty split, so it probably shouldn't be warning by default. Fixes #8613

```rust
let x = if let Some(n) = y {
    n
} else {
    1
}
```

No longer lints `let mut`, things like the following are not uncommon and look fine as they are

b169c16d86/src/sixty_four.rs (L88-L93)

Avoids changing the drop order in an observable way, where the type of `x` has a drop with side effects and something between `x` and the first use also does, e.g.

48cc6cb791/tests/test_api.rs (L159-L167)

The implementation of `type_needs_ordered_drop_inner` was changed a bit, it now uses `Ty::has_significant_drop` and reordered the ifs to check diagnostic name before checking the implicit drop impl

changelog: [`needless_late_init`]: No longer lints `if let` statements, `let mut` bindings and no longer significantly changes drop order
 2022-04-27 00:11:17 +00:00
Alex Macleod
1d1fecff0f needless_late_init: ignore if let, let mut and significant drops 2022-04-26 13:16:54 +01:00
bors
94623ee882 Auto merge of #8737 - smoelius:extra-impl-lifetimes, r=giraffate 
Extend `extra_unused_lifetimes` to handle impl lifetimes

Fixes #6437 (cc: `@carols10cents)`

changelog: fix #6437
 2022-04-26 00:06:53 +00:00
bors
760f293d79 Auto merge of #8727 - Serial-ATA:lint-large-includes, r=xFrednet 
Add `large_include_file` lint

changelog: Add [`large_include_file`] lint
closes #7005
 2022-04-25 17:29:27 +00:00
Samuel E. Moelius III
c22bb06bc0 Fix naming 2022-04-25 09:23:59 -04:00
Samuel E. Moelius III
e6fa163fad Fix false positives 2022-04-25 05:20:08 -04:00
bors
388e6b7854 Auto merge of #8742 - goth-turtle:mistyped-literal-suffix, r=llogiq 
mistyped_literal_suffix: improve integer suggestions, avoid wrong float suggestions

This PR fixes 2 things:
- The known problem that integer types are always suggested as signed, by suggesting an unsigned suffix for literals that wouldnt fit in the signed type, and ignores any literals too big for the corresponding unsigned type too.
- The lint would only look at the integer part of any floating point literals without an exponent, this causing #6129. This just ignores those literals.

Examples:
```rust
let _ = 2_32; // still 2_i32
let _ = 234_8; // would now suggest 234_u8

// these are now ignored
let _ = 500_8;
let _ = 123_32.123;
```

changelog: suggest correct integer types in [`mistyped_literal_suffix`], ignore float literals without an exponent
fixes #6129
 2022-04-24 20:16:40 +00:00
Serial
a85dc87c4c Add large_include_file lint 2022-04-24 10:08:31 -04:00
goth-turtle
b4a50e9ee5 mistyped_literal_suffixes: ignore floats without exponent 
Previously this lint would only look at the integer part of floating
point literals without an exponent, giving wrong suggestions like:

```
  |
8 |     let _ = 123_32.123;
  |             ^^^^^^^^^^ help: did you mean to write: `123.123_f32`
  |
```

Instead, it now ignores these literals.
Fixes #6129
 2022-04-24 15:28:36 +02:00
goth-turtle
f290249461 mistyped_literal_suffixes: improve suggestions for integer types 
Instead of just always suggesting signed suffixes regardless of size
of the value, it now suggests an unsigned suffix when the value wouldn't
fit into the corresponding signed type, and ignores the literal entirely
if it is too big for the unsigned type as well.
 2022-04-24 15:28:36 +02:00
bors
6aa3684431 Auto merge of #8738 - tamaroning:fix_wrong_self_convention, r=xFrednet 
wrong_self_convention allows `is_*` to take `&mut self`

fix #8480 and #8513
Allowing `is_*` to take `&self` or none is too restrictive.

changelog: FPs: [`wrong_self_convention`] now allows `&mut self` and no self as arguments for `is_*` methods
 2022-04-24 12:40:15 +00:00
bors
2a5ee682cc Auto merge of #8736 - Serial-ATA:issue-8732, r=xFrednet 
Add macro export exemption to `redundant_pub_crate`

changelog: Add macro export exemption to `redundant_pub_crate`
closes #8732
 2022-04-24 12:06:08 +00:00
tamaron
51db157fb4 fix 2022-04-23 22:45:26 +09:00
Alex Macleod
0c164bbfdb ignore redundant_pub_crate in useless_attribute 2022-04-23 12:23:18 +01:00
Samuel E. Moelius III
b35c04f7dc Extend extra_unused_lifetimes to handle impl lifetimes 2022-04-22 20:05:18 -04:00
Serial
f20e890a4b Add macro export exemption to redundant_pub_crate 2022-04-22 18:09:14 -04:00
bors
cef882cc9d Auto merge of #8731 - Alexendoo:dogfood-allow-unknown-lints, r=xFrednet 
dogfood: allow unknown lints when not running with `internal` feature

changelog: none

https://rust-lang.zulipchat.com/#narrow/stream/257328-clippy/topic/unknown.20lint.20in.20test.20dogfood_clippy

It's only a warning so this wasn't causing the test to fail, but if you had another error somewhere or used `--nocapture` the extra warnings would be shown
 2022-04-22 17:11:53 +00:00
Alex Macleod
a96bc7af12 dogfood: allow unknown lints when not running with internal feature 2022-04-22 13:15:11 +01:00
bors
ed22428b72 Auto merge of #8717 - Alexendoo:manual-split-once-manual-iter, r=dswij,xFrednet 
`manual_split_once`: lint manual iteration of `SplitN`

changelog: `manual_split_once`: lint manual iteration of `SplitN`

Now lints:

```rust
let mut iter = "a.b.c".splitn(2, '.');
let first = iter.next().unwrap();
let second = iter.next().unwrap();

let mut iter = "a.b.c".splitn(2, '.');
let first = iter.next()?;
let second = iter.next()?;

let mut iter = "a.b.c".rsplitn(2, '.');
let first = iter.next().unwrap();
let second = iter.next().unwrap();

let mut iter = "a.b.c".rsplitn(2, '.');
let first = iter.next()?;
let second = iter.next()?;
```

It suggests (minus leftover whitespace):

```rust
let (first, second) = "a.b.c".split_once('.').unwrap();

let (first, second) = "a.b.c".split_once('.')?;

let (second, first) = "a.b.c".rsplit_once('.').unwrap();

let (second, first) = "a.b.c".rsplit_once('.')?;
```

Currently only lints if the statements are next to each other, as detecting the various kinds of shadowing was tricky, so the following won't lint

```rust
let mut iter = "a.b.c".splitn(2, '.');
let something_else = 1;
let first = iter.next()?;
let second = iter.next()?;
```
 2022-04-22 09:57:00 +00:00
bors
cf68cadc45 Auto merge of #8729 - Serial-ATA:issue-7318, r=Manishearth 
Fix missing whitespace in `collapsible_else_if` suggestion

changelog: Fix missing whitespace in [`collapsible_else_if`] suggestion
closes #7318
 2022-04-21 18:05:14 +00:00
Serial
14667d1474 Fix missing whitespace in collapsible_else_if suggestion 2022-04-21 13:45:40 -04:00
Alex Macleod
4424aa444c manual_split_once: lint manual iteration of SplitN 2022-04-21 18:33:54 +01:00
bors
a9d31e71be Auto merge of #8571 - PyroTechniac:empty-drop, r=flip1995 
add `empty_drop`

Closes #8352

changelog: New lint [`empty_drop`]
 2022-04-21 08:03:31 +00:00
Gryffon Bellish
8de3fb159d
Add empty_drop lint 2022-04-21 10:03:01 +02:00
bors
4c25880f0c Auto merge of #8716 - binggh:stable-sort-message-update, r=giraffate 
Less authoritative stable_sort_primitive message

fixes #8241

Hey all - first contribution here so I'm deciding to start with something small.

Updated the linked message to be less authoritative as well as moved the lint grouping from `perf` to `pedantic` as suggested by `@camsteffen` under the issue.

changelog: [`stable_sort_primitive`]: emit less authoritative message and move to `pedantic`
 2022-04-21 00:27:13 +00:00
bors
f99ad82f9e Auto merge of #8700 - youknowone:needless_match-false-positive, r=xFrednet 
Fix needless_match false positive for if-let when the else block doesn't match to given expr

<!--

Thank you for making Clippy better!

We're collecting our changelog from pull request descriptions.
If your PR only includes internal changes, you can just write
`changelog: none`. Otherwise, please write a short comment
explaining your change. Also, it's helpful for us that
the lint name is put into brackets `[]` and backticks `` ` ` ``,
e.g. ``[`lint_name`]``.

If your PR fixes an issue, you can add "fixes #issue_number" into this
PR description. This way the issue will be automatically closed when
your PR is merged.

If you added a new lint, here's a checklist for things that will be
checked during review or continuous integration.

- \[ ] Followed [lint naming conventions][lint_naming]
- \[ ] Added passing UI tests (including committed `.stderr` file)
- \[x] `cargo test` passes locally
- \[x] Executed `cargo dev update_lints`
- \[ ] Added lint documentation
- \[x] Run `cargo dev fmt`

[lint_naming]: https://rust-lang.github.io/rfcs/0344-conventions-galore.html#lints

Note that you can skip the above if you are just opening a WIP PR in
order to get feedback.

Delete this line and everything above before opening your PR.

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fix #8695

*Please write a short comment explaining your change (or "none" for internal only changes)*

changelog: Fixed ``[`needless_match`]`` false positive when else block expression differs.
 2022-04-20 17:16:39 +00:00
bing
1b6b802b99 Better documentation wording and add known problems section 2022-04-20 23:11:54 +08:00
bors
e17b97c8e0 Auto merge of #8711 - kyoto7250:new-lint-bytes-count-to-len, r=giraffate 
Take over: New lint bytes count to len

take over #8375
close #8083

This PR adds new lint about  considering replacing `.bytes().count()` with `.len()`.

Thank you in advance.

---

r! `@Manishearth`

changelog: adds new lint [`bytes_count_to_len`] to consider replacing `.bytes().count()` with `.len()`
 2022-04-19 12:44:07 +00:00
kyoto7250
f19387d237 add checking type 
adding test patterns

cargo dev bless

fix comment

add ;

delete :

fix suggestion code

and update stderr in tests.

use match_def_path when checking method name
 2022-04-19 10:48:12 +09:00
Chase Ruskin
df1ec91d95 adds lint logic and test for bytes_count_to_len 
formats code with

fixes single match clippy error to replace with if let

swaps ident.name.as_str to ident.name == sym for count fn
 2022-04-19 10:48:10 +09:00
bors
cbdf17c884 Auto merge of #8707 - OneSignal:await-invalid-types, r=llogiq 
Add `await_holding_invalid_type` lint

changelog: [`await_holding_invalid_type`]

This lint allows users to create a denylist of types which are not allowed to be
held across await points. This is essentially a re-implementation of the
language-level [`must_not_suspend`
lint](https://github.com/rust-lang/rust/issues/83310). That lint has a lot of
work still to be done before it will reach Rust stable, and in the meantime
there are a lot of types which can trip up developers if they are used
improperly.

I originally implemented this specifically for `tracing::span::Entered`, until I discovered #8434 and read the commentary on that PR. Given this implementation is fully user configurable, doesn't tie clippy to any one particular crate, and introduces no additional dependencies, it seems more appropriate.
 2022-04-18 18:36:50 +00:00
Lily Mara
05086858c4 fixup! Add await_holding_invalid_type lint 2022-04-18 11:32:28 -07:00
Lily Mara
8eccbbed68 fixup! Add await_holding_invalid_type lint 2022-04-18 11:30:59 -07:00
Lily Mara
7e26edce65 fixup! Add await_holding_invalid_type lint 2022-04-18 11:16:35 -07:00
Lily Mara
a511072c2c fixup! Add await_holding_invalid_type lint 2022-04-18 10:34:25 -07:00
Lily Mara
ee3ebb35f4
Update clippy_lints/src/await_holding_invalid.rs 
Co-authored-by: llogiq <bogusandre@gmail.com>
 2022-04-18 10:32:11 -07:00
Lily Mara
228ce783bc
Update clippy_lints/src/await_holding_invalid.rs 
Co-authored-by: llogiq <bogusandre@gmail.com>
 2022-04-18 10:32:03 -07:00
Lily Mara
6d0baf2b16
Update clippy_lints/src/await_holding_invalid.rs 
Co-authored-by: llogiq <bogusandre@gmail.com>
 2022-04-18 10:31:57 -07:00
bors
95de4dcb5e Auto merge of #8701 - xFrednet:0000-clippy-print-hir-attr, r=flip1995 
Rework `#[clippy::dump]` attribute for debugging

Hey `@rust-lang/clippy,` this adds a new `#[clippy::print_hir]` attribute that prints the node to the console using `{:#?}`. Personally, I use print debugging quite a lot while working on Clippy, and this is a simple shortcut that also works in the playground (Once this has been synced). The question is now, if we want to have this attribute. Are there any concerns? I think it's similar to our `#[clippy::author]` attribute.

I haven't added a test, as the `.stdout` file would require updates with every HIR change inside rustc. Here are some examples, for the current implementation

<details>
<summary>`do_something(&map);`</summary>

```rs
Expr {
    hir_id: HirId {
        owner: DefId(0:7 ~ aaa[995b]::main),
        local_id: 21,
    },
    kind: Call(
        Expr {
            hir_id: HirId {
                owner: DefId(0:7 ~ aaa[995b]::main),
                local_id: 17,
            },
            kind: Path(
                Resolved(
                    None,
                    Path {
                        span: tests/ui/aaa.rs:23:5: 23:17 (#0),
                        res: Def(
                            Fn,
                            DefId(0:6 ~ aaa[995b]::do_something),
                        ),
                        segments: [
                            PathSegment {
                                ident: do_something#0,
                                hir_id: Some(
                                    HirId {
                                        owner: DefId(0:7 ~ aaa[995b]::main),
                                        local_id: 16,
                                    },
                                ),
                                res: Some(
                                    Err,
                                ),
                                args: None,
                                infer_args: true,
                            },
                        ],
                    },
                ),
            ),
            span: tests/ui/aaa.rs:23:5: 23:17 (#0),
        },
        [
            Expr {
                hir_id: HirId {
                    owner: DefId(0:7 ~ aaa[995b]::main),
                    local_id: 20,
                },
                kind: AddrOf(
                    Ref,
                    Not,
                    Expr {
                        hir_id: HirId {
                            owner: DefId(0:7 ~ aaa[995b]::main),
                            local_id: 19,
                        },
                        kind: Path(
                            Resolved(
                                None,
                                Path {
                                    span: tests/ui/aaa.rs:23:19: 23:22 (#0),
                                    res: Local(
                                        HirId {
                                            owner: DefId(0:7 ~ aaa[995b]::main),
                                            local_id: 15,
                                        },
                                    ),
                                    segments: [
                                        PathSegment {
                                            ident: map#0,
                                            hir_id: Some(
                                                HirId {
                                                    owner: DefId(0:7 ~ aaa[995b]::main),
                                                    local_id: 18,
                                                },
                                            ),
                                            res: Some(
                                                Local(
                                                    HirId {
                                                        owner: DefId(0:7 ~ aaa[995b]::main),
                                                        local_id: 15,
                                                    },
                                                ),
                                            ),
                                            args: None,
                                            infer_args: true,
                                        },
                                    ],
                                },
                            ),
                        ),
                        span: tests/ui/aaa.rs:23:19: 23:22 (#0),
                    },
                ),
                span: tests/ui/aaa.rs:23:18: 23:22 (#0),
            },
        ],
    ),
    span: tests/ui/aaa.rs:23:5: 23:23 (#0),
}
```
</details>

<details>
<summary>`use std::collections::HashMap;`</summary>

```rs
Item {
    ident: HashMap#0,
    def_id: DefId(0:5 ~ aaa[995b]::{misc#1}),
    kind: Use(
        Path {
            span: tests/ui/aaa.rs:8:5: 8:30 (#0),
            res: Def(
                Struct,
                DefId(1:1294 ~ std[928b]::collections:#️⃣:map::HashMap),
            ),
            segments: [
                PathSegment {
                    ident: std#0,
                    hir_id: Some(
                        HirId {
                            owner: DefId(0:5 ~ aaa[995b]::{misc#1}),
                            local_id: 1,
                        },
                    ),
                    res: Some(
                        Def(
                            Mod,
                            DefId(1:0 ~ std[928b]),
                        ),
                    ),
                    args: None,
                    infer_args: false,
                },
                PathSegment {
                    ident: collections#0,
                    hir_id: Some(
                        HirId {
                            owner: DefId(0:5 ~ aaa[995b]::{misc#1}),
                            local_id: 2,
                        },
                    ),
                    res: Some(
                        Def(
                            Mod,
                            DefId(1:1193 ~ std[928b]::collections),
                        ),
                    ),
                    args: None,
                    infer_args: false,
                },
                PathSegment {
                    ident: HashMap#0,
                    hir_id: Some(
                        HirId {
                            owner: DefId(0:5 ~ aaa[995b]::{misc#1}),
                            local_id: 3,
                        },
                    ),
                    res: Some(
                        Err,
                    ),
                    args: None,
                    infer_args: false,
                },
            ],
        },
        Single,
    ),
    vis: Spanned {
        node: Inherited,
        span: tests/ui/aaa.rs:8:1: 8:1 (#0),
    },
    span: tests/ui/aaa.rs:8:1: 8:31 (#0),
}
```

</details>

<details>
<summary>`"100"`</summary>

```rs
Expr {
    hir_id: HirId {
        owner: DefId(0:7 ~ aaa[995b]::main),
        local_id: 27,
    },
    kind: Lit(
        Spanned {
            node: Str(
                "100",
                Cooked,
            ),
            span: tests/ui/aaa.rs:28:9: 28:14 (#0),
        },
    ),
    span: tests/ui/aaa.rs:28:9: 28:14 (#0),
}
```
</details>

---

changelog: Added `[clippy::print_hir]` to inspect rustc's internal representation
 2022-04-18 13:06:03 +00:00
bing
7a73e09e35 Update lints 2022-04-18 14:48:34 +08:00
bing
7a4d07105f Less authoritative stable_sort_primitive message 2022-04-18 14:42:24 +08:00
Jeong YunWon
b94e24e95f Fix needless_match false positive for if-let 
when the else block doesn't match to given expr
 2022-04-18 14:33:13 +09:00
xFrednet
ccedc64e3a
Add #[clippy::print_hir] attribute for debugging 2022-04-18 00:51:28 +02:00
bors
e5ebece910 Auto merge of #8665 - InfRandomness:option_take_on_temporary, r=llogiq 
Introduce needless_option_take lint

- \[x] Followed [lint naming conventions][lint_naming]
- \[x] Added passing UI tests (including committed `.stderr` file)
- \[x] `cargo test` passes locally
- \[x] Executed `cargo dev update_lints`
- \[x] Added lint documentation
- \[x] Run `cargo dev fmt`

Fixes #8618

changelog: Introduce [`needless_option_take`] lint
 2022-04-17 18:34:16 +00:00
bors
0f4f9ecdb3 Auto merge of #8709 - matthiaskrgr:lintcheckfix, r=llogiq 
lintcheck: fix --fix

looks like --allow-no-vcs does no longer exist(?)

changelog: none
 2022-04-16 10:22:08 +00:00
bors
b2959dbf69 Auto merge of #8706 - lupd:cast-abs-to-unsigned, r=xFrednet 
Fix formatting of `cast_abs_to_unsigned` docs

The "use instead" section of the example was not being formatted as Rust code, and the "configuration" documentation was being formatted as Rust code.

changelog: `[cast_abs_to_unsigned]` Fix example/configuration formatting
 2022-04-16 09:12:15 +00:00
bors
3abd2c08ab Auto merge of #8698 - xFrednet:0000-changelog-1-61, r=flip1995 
Changelog for Rust 1.61 🐙

roses are red,
violets are blue,
this changelog,
is no longer a todo!

---

changelog: none
 2022-04-16 08:26:27 +00:00
xFrednet
af721036af
Changelog for Rust 1.61 🐙 2022-04-16 10:25:25 +02:00
Matthias Krüger
5b35bd9c3e lintcheck: fix --fix 
looks like --allow-no-vcs does no longer exist(?)
 2022-04-16 00:56:28 +02:00