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538 Commits

Author SHA1 Message Date
Michael Wright
8b04c2d6e8 Merge branch 'master' into lint-5734 2020-09-15 21:21:35 +02:00
bors
f82e84c894 Auto merge of #5998 - deg4uss3r:master, r=yaahc 
Add map_err_ignore lint

In a large code base a lot of times errors are ignored by using something like:

```rust
foo.map_err(|_| Some::Enum)?;
```

This drops the original error in favor of a enum that will not have the original error's context. This lint helps catch throwing away the original error in favor of an enum without its context.

---

*Please keep the line below*
changelog: Added map_err_ignore lint
 2020-09-14 19:56:47 +00:00
Michael Wright
d1f0f04a48 New lint: manual-strip 
Add a new lint, `manual-strip`, that suggests using the `str::strip_prefix`
and `str::strip_suffix` methods introduced in Rust 1.45 when the same
functionality is performed 'manually'.

Closes #5734
 2020-09-14 06:11:35 +02:00
bors
0ab75c37b6 Auto merge of #5977 - xvschneider:AddLintPanicInResult, r=matthiaskrgr 
Add lint panic in result

### Change
Adding a new "restriction" lint that will emit a warning when using "panic", "unimplemented" or "unreachable" in a function of type option/result.

### Motivation
Some codebases must avoid crashes at all costs, and hence functions of type option/result must return an error instead of crashing.

### Test plan
Running:
TESTNAME=panic_in_result cargo uitest ---

changelog: none
 2020-09-10 16:22:20 +00:00
bors
5034d47f72 Auto merge of #5980 - matsujika:create-dir, r=flip1995 
Add a lint to prevent `create_dir` from being used

This closes #5950
changelog: none
 2020-09-10 14:34:22 +00:00
Vali Schneider
f90b1fc063 cargo dev update-lints 2020-09-09 14:06:11 -07:00
Vali Schneider
3550568a54 removing if chain and renaming lint 2020-09-09 14:02:34 -07:00
Ricky
337729137b Ran cargo dev update_lints 2020-09-01 17:05:40 -04:00
Kyle Huey
4972989b61 Add a lint for an async block/closure that yields a type that is itself awaitable. 
This catches bugs of the form

tokio::spawn(async move {
    let f = some_async_thing();
    f // Oh no I forgot to await f so that work will never complete.
});
 2020-08-29 15:33:54 -07:00
Hirochika Matsumoto
5574182b4d Add a new lint to prevent create_dir from being used 2020-08-28 18:45:28 +09:00
Vali Schneider
459969f88f added restriction lint that prohibits the usage of unimplemented, unreachable or panic in a function of type result or option 2020-08-27 16:18:05 -07:00
Eduardo Broto
baf62e7a38 Update changelog to beta 1.47 2020-08-27 14:48:07 +02:00
Jane Lusby
91024f1fde Add new lint to prevent usage of unwrap in fns that return result 2020-08-26 16:31:49 -07:00
Bastian
680c68153b Added a lint which corrects expressions like (a - b) < f32::EPSILON 2020-08-24 16:31:51 +02:00
Tomasz Miąsko
4f4abf4e06 Warn about explicit self-assignment 
Warn about assignments where left-hand side place expression is the same
as right-hand side value expression. For example, warn about assignment in:

```rust
pub struct Event {
    id: usize,
    x: i32,
    y: i32,
}

pub fn copy_position(a: &mut Event, b: &Event) {
    a.x = b.x;
    a.y = a.y;
}
```
 2020-08-16 23:31:36 +02:00
Dániel Buga
fc1e07e0c1 Rename lint to use plural form 2020-08-16 22:16:39 +02:00
Dániel Buga
d7220dbd91 Run cargo dev update_lints 2020-08-16 20:27:54 +02:00
Dániel Buga
923d61222c Rename the changelog footnote as well 2020-08-16 20:27:22 +02:00
Dániel Buga
a3ea65c2d9 Implement new lint 2020-08-16 20:27:22 +02:00
bors
c8e05fc1c6 Auto merge of #5881 - wiomoc:feature/single-char-push_str, r=ebroto,flip1995 
Lint `push_str` with a single-character string literal

Fixes #5875
changelog:  `* [single_char_push_str]`
 2020-08-16 16:41:57 +00:00
Christoph Walcher
72d2c2eab4
Lint push_str with a single-character string literal 
Fixes #5875
 2020-08-15 01:40:55 +02:00
chansuke
8e549978e5 Don't use to_string in impl Display 2020-08-14 21:38:11 +09:00
bors
09bd400243 Auto merge of #5891 - flip1995:rustup, r=flip1995 
Rustup

r? @ghost

Sync back rust-lang/rust#75098

changelog: none
 2020-08-11 12:32:10 +00:00
robojumper
82c816ee02
Fix CHANGELOG's commit range links 
Two most recent links linked to the wrong range

changelog: none
 2020-08-10 17:45:04 +02:00
Philipp Krones
8ee57eed79
Rollup merge of #5869 - wiomoc:feature/implicit-self, r=ebroto,flip1995 
New lint against `Self` as an arbitrary self type

Fixes #5861

changelog: * [`needless_arbitrary_self_type`] [#5869](https://github.com/rust-lang/rust-clippy/pull/5869)
 2020-08-10 14:56:26 +02:00
Philipp Krones
9da5b6d1d0
Rollup merge of #5825 - giraffate:same_item_push, r=Manishearth 
Add the new lint `same_item_push`

changelog: Add the new lint `same_item_push`

Fixed #4078. As I said in https://github.com/rust-lang/rust-clippy/issues/4078#issuecomment-658184195, I referrerd to https://github.com/rust-lang/rust-clippy/pull/4647.
 2020-08-10 14:56:25 +02:00
Christoph Walcher
d635b76eaf
adopt comments from review 2020-08-07 18:08:51 +02:00
Christoph Walcher
e0a4988fcc
Lint against Self as an arbitrary self type 
Fixes #5861
 2020-08-07 18:08:51 +02:00
Ryan1729
5e84b8c2fb run cargo dev new_lint then move transmutes_expressible_as_ptr_casts into transmute module 2020-08-06 04:24:24 -06:00
bors
2d4c3379d3 Auto merge of #5809 - JarredAllen:stable_sort_primitive, r=Manishearth 
Stable sort primitive

changelog: Implements #5762
 2020-08-05 20:41:21 +00:00
Takayuki Nakata
1e8ada3cab Add lint same_item_push 2020-08-05 22:51:38 +09:00
Philipp Krones
84455b211f
Rollup merge of #5852 - wiomoc:feature/lint-duplicate-trait, r=Manishearth 
Add lint for duplicate methods of trait bounds

rel: #5777

changelog: Add [`trait_duplication_in_bounds`] lint
 2020-08-04 12:06:41 +02:00
JarredAllen
25abd7ae76 Create stable_sort_primitive lint 2020-08-03 11:17:43 -07:00
Christoph Walcher
94c50bc8c9
Lint duplicate methods of trait bounds 
Fixes #5777
 2020-07-28 16:42:26 +02:00
Ryan1729
5a644964fc run cargo dev new_lint 
specifically:
cargo dev new_lint --name derive_ord_xor_partial_ord --category correctness --pass late
 2020-07-26 20:40:57 -06:00
flip1995
d164ab65f7 Merge commit 'da5a6fb1b65ec6581a67e942a3850f6bc15a552c' into clippyup 2020-07-26 21:07:07 +02:00
flip1995
aba0d244d4
Typo: Change Log -> Changelog 2020-07-16 15:40:13 +02:00
flip1995
cf383cf48a
Update changelog to beta-1.46 2020-07-16 15:36:53 +02:00
Matthias Krüger
126790999a new lint: Returning unit from closures expecting Ord 
This lint catches cases where the last statement of a closure expecting
an instance of Ord has a trailing semi-colon. It compiles since the
closure ends up return () which also implements Ord but causes
unexpected results in cases such as sort_by_key.

Fixes #5080

reprise: rebase, update and address all concerns
 2020-07-14 15:54:04 +02:00
flip1995
6f25adbd5a Merge commit '2ca58e7dda4a9eb142599638c59dc04d15961175' into clippyup 2020-07-14 14:59:59 +02:00
bors
12df6384b9 Auto merge of #5773 - giraffate:repeat_once, r=flip1995 
Add a lint for `.repeat(1)`

changelog: New lint `repeat_once`

fix #3028.
 2020-07-14 09:13:58 +00:00
Takayuki Nakata
5307cb5614 Add a lint for .repeat(1) 
fix #3028.
 2020-07-07 23:13:39 +09:00
robojumper
2e8a1be444 new lint: match_like_matches_macro 2020-07-06 18:25:20 +02:00
JarredAllen
ccb999851a Fix compile error from library change 2020-07-03 16:50:45 -07:00
JarredAllen
93f0f5d37b Last few tweaks 2020-07-03 16:50:45 -07:00
JarredAllen
bf48a2d50d Lint for if let Some(x) = ... instead of Option::map_or 2020-07-03 16:47:38 -07:00
Robert Sedlacek
c3c402783f Added restriction lint: pattern-type-mismatch 2020-07-03 18:12:29 +02:00
Eduardo Broto
814349f941 Lint enabling the whole restriction group 2020-06-30 21:56:19 +02:00
Teddy_Wang
40ee620e51 Added a lint for .map(|x| x) 2020-06-13 10:08:12 -04:00
Lzu Tao
8db24840f7 Merge commit 'ff0993c5e9162ddaea78e83d0f0161e68bd4ea73' into clippy 2020-06-09 14:36:01 +00:00