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603 Commits

Author SHA1 Message Date
Mara Bos
9f7f8b71a6 Suggest panic!("{}", ..) instead of panic!(..) clippy::expect_fun_call. 2021-02-03 23:15:51 +01:00
ThibsG
7825bf36d8 Fix suggestions that need parens 2021-02-01 20:03:40 +01:00
flip1995
ac912be984 Merge commit '95c0459217d1661edfa794c8bb122452b92fb485' into clippyup 2021-01-30 18:06:34 +01:00
flip1995
e2859437f9
Merge remote-tracking branch 'upstream/master' into rustup 2021-01-30 15:51:16 +01:00
Cameron Steffen
82bab19a01 Deprecate find_map lint 2021-01-21 18:19:55 -06:00
Cameron Steffen
a752d31e0a Replace find_map with manual_find_map 2021-01-21 18:18:21 -06:00
Cameron Steffen
c92bdc4dbb Split filter_map into manual_filter_map 2021-01-21 18:18:18 -06:00
Cameron Steffen
e89ad4ba71 Fix comment 2021-01-21 18:17:25 -06:00
bors
d71dea40cf Auto merge of #6577 - nahuakang:inspect_then_for_each, r=flip1995 
New Lint: inspect_then_for_each

**Work In Progress**

This PR addresses [Issue 5209](https://github.com/rust-lang/rust-clippy/issues/5209) and adds a new lint called `inspect_then_for_each`.

Current seek some guidance.

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

- \[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`

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

---

changelog: Add [`inspect_for_each`] lint for the use of `inspect().for_each()` on `Iterators`.
 2021-01-19 13:12:39 +00:00
nahuakang
3269070261 Create new lint for the usage of inspect for each. 2021-01-19 11:30:20 +01:00
Ashley Mannix
9009f8f031 Rollup merge of #81038 - flip1995:clippyup, r=Manishearth 
Update Clippy

Biweekly Clippy update

r? ``@Manishearth``
 2021-01-18 21:53:22 +10:00
Jack Huey
e73b8dcbca Review changes 2021-01-16 18:56:37 -05:00
flip1995
488153ff2f Merge commit '953f024793dab92745fee9cd2c4dee6a60451771' into clippyup 2021-01-15 10:56:44 +01:00
flip1995
9bd037d0b5
Merge remote-tracking branch 'upstream/master' into rustup 2021-01-15 10:39:53 +01:00
bors
7b3af4145b Auto merge of #79328 - c410-f3r:hir-if, r=matthewjasper 
Reintroduce hir::ExprKind::If

Basically copied and paste #59288/https://github.com/rust-lang/rust-clippy/pull/4080 with some modifications.

The vast majority of tests were fixed and now there are only a few remaining. Since I am still unable to figure out the missing pieces, any help with the following list is welcome.

- [ ] **Unnecessary `typeck` exception**: [Cheated on this one to make CI green.](https://github.com/rust-lang/rust/pull/79328/files#diff-3faee9ba23fc54a12b7c43364ba81f8c5660045c7e1d7989a02a0cee1c5b2051)
- [x] **Incorrect span**: [Span should reference `then` and `else` separately.](https://github.com/rust-lang/rust/pull/79328/files#diff-cf2c46e82222ee4b1037a68fff8a1af3c4f1de7a6b3fd798aacbf3c0475abe3d)
- [x] **New note regarding `assert!`**: [Modified but not "wrong". Maybe can be a good thing?](https://github.com/rust-lang/rust/pull/79328/files#diff-9e0d7c89ed0224e2b62060c957177c27db43c30dfe3c2974cb6b5091cda9cfb5)
- [x] **Inverted report location**: [Modified but not "wrong". Locations were inverted.](https://github.com/rust-lang/rust/pull/79328/files#diff-f637ce7c1f68d523a165aa9651765df05e36c4d7d279194b1a6b28b48a323691)
- [x] **`src/test/ui/point-to-type-err-cause-on-impl-trait-return.rs` has weird errors**: [Not sure why this is happening.](https://github.com/rust-lang/rust/pull/79328/files#diff-c823c09660f5b112f95e97e8ff71f1797b6c7f37dbb3d16f8e98bbaea8072e95)
- [x] **Missing diagnostic**: [???](https://github.com/rust-lang/rust/pull/79328/files#diff-6b8ab09360d725ba4513933827f9796b42ff9522b0690f80b76de067143af2fc)
 2021-01-14 14:41:58 +00:00
Joshua Nelson
dfb41f4797 Separate out a hir::Impl struct 
This makes it possible to pass the `Impl` directly to functions, instead
of having to pass each of the many fields one at a time. It also
simplifies matches in many cases.
 2021-01-12 20:32:33 -05:00
Cameron Steffen
7871ebaab9 Fix symbol string comparison dogfood 2021-01-08 14:50:00 -06:00
Caio
7d42172899 Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
flip1995
f03edfd7a1 Merge commit '4911ab124c481430672a3833b37075e6435ec34d' into clippyup 2020-12-20 17:19:49 +01:00
bors
9f9e9f7e52 Auto merge of #6316 - ThibsG:WrongSelfConventionTraitDef, r=ebroto 
Lint also in trait def for `wrong_self_convention`

Extends `wrong_self_convention` to lint also in trait definition.

By the way, I think the `wrong_pub_self_convention` [example](dd826b4626/clippy_lints/src/methods/mod.rs (L197)) is misleading.
On [playground](https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=32615ab3f6009e7e42cc3754be0ca17f), it fires `wrong_self_convention`, so the example (or the lint maybe?) needs to be reworked.
The difference with `wrong_self_convention` [example](dd826b4626/clippy_lints/src/methods/mod.rs (L172)) is mainly the `pub` keyword on the method `as_str`, but the lint doesn't use the function visibility as condition to choose which lint to fire (in fact it uses the visibility of the impl item).

fixes: #6307

changelog: Lint `wrong_self_convention` lint in trait def also
 2020-12-19 21:39:19 +00:00
bors
142f0f5eda Auto merge of #6448 - mikerite:interning_defined_symbol, r=Manishearth 
New internal lint: Interning defined symbol

New internal lint: interning_defined_symbol

changelog: none
 2020-12-16 08:18:38 +00:00
bors
1df2e38219 Auto merge of #6443 - matthiaskrgr:clone_on_copy_type, r=ebroto 
clone_on_copy: show the type in the lint message

changelog: clone_on_copy: show the type in the lint message
 2020-12-13 16:47:33 +00:00
Michael Wright
a6aa0acbea Fix dogfood errors 2020-12-13 06:32:41 +02:00
Matthias Krüger
b2cb6ffbe3 clone_on_copy: show the type in the lint message 
changelog: clone_on_copy: show the type in the lint message
 2020-12-12 01:23:28 +01:00
Matthias Krüger
0b145d688b clone_double_ref: print reference type in lint message 
changelog: clone_double_ref: print the type of the reference in lint message
 2020-12-12 01:09:30 +01:00
suyash458
a7cfffef26 add MSRV to more lints specified in #6097 
update tests
 2020-12-11 11:00:03 +05:30
ThibsG
4af9382bec Common function to lint wrong self convention from impl and trait def 2020-12-10 17:08:42 +01:00
ThibsG
a6bb9276f7 Lint wrong self convention in trait also 2020-12-10 17:08:42 +01:00
flip1995
8eca423ea1 Merge commit 'c1664c50b27a51f7a78c93ba65558e7c33eabee6' into clippyup 2020-12-06 15:01:03 +01:00
Suyash458
cd087e5c5e add rustc-semver to dependencies 
switch Version/VersionReq usages to RustcVersion
 2020-11-28 21:21:04 -08:00
Hirochika Matsumoto
2c26cb14db Move contains_return to utils/mod.rs 2020-11-29 02:18:05 +09:00
Hirochika Matsumoto
f7b2098e1c Fix a false positive in unnecessary_wraps 2020-11-29 01:55:15 +09:00
flip1995
b2e2c0806e
Improve extract_msrv_attr! situation 2020-11-25 12:22:58 +01:00
Suyash458
aaa4325045
add support for minimum supported rust version. 
add configuration option for minimum supported rust version
add msrv attribute to some lints listed in #6097
add tests
 2020-11-25 12:22:47 +01:00
flip1995
d3d2018ead Merge commit '3e7c6dec244539970b593824334876f8b6ed0b18' into clippyup 2020-11-23 13:51:04 +01:00
Carol (Nichols || Goulding)
034244f108
Small grammar, punctuation, and code style improvements to docs 2020-11-22 10:17:34 -05:00
bors
a8cafc6196 Auto merge of #6338 - flip1995:rustup, r=flip1995 
Rustup

r? `@ghost`

changelog: none
 2020-11-17 17:10:04 +00:00
Bastian Kauschke
3567ea546f clippy: fold by value 2020-11-16 22:42:09 +01:00
rsulli55
56d252c53d Update clippy_lints/src/methods/mod.rs 
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2020-11-10 23:18:48 -07:00
Ryan Sullivant
fd303132a2 Cleaned up message and suggestion for lint_search_is_some 2020-11-10 23:18:48 -07:00
Ryan Sullivant
ee1b959054 Added period back to lint search_is_some and ran 
`update-all-references.sh`
 2020-11-10 23:18:47 -07:00
rsulli55
fb74b4802e Remove borrow 
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2020-11-10 23:18:47 -07:00
rsulli55
e9612f3eca Remove to_string on msg 
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2020-11-10 23:18:47 -07:00
Ryan Sullivant
a1cf2d334d Added a lint as suggested in 6010 which recommends using contains() 
instead of `find()` follows by `is_some()` on strings

Update clippy_lints/src/find_is_some_on_strs.rs
Co-authored-by: Takayuki Nakata <f.seasons017@gmail.com>

Update clippy_lints/src/methods/mod.rs
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2020-11-10 23:18:47 -07:00
Cameron Steffen
9cab08465b Fix or_fun_call for index operator 2020-11-08 14:49:42 -06:00
Cameron Steffen
b0994064b0 Make KNOW_TYPES static 2020-11-08 14:34:06 -06:00
Matthias Krüger
5253595b3b FROM_ITER_INSTEAD_OF_COLLECT: avoid unwrapping unconditionally 
Fixes #6302
 2020-11-06 19:34:34 +01:00
flip1995
34244190d4 Merge commit 'b20d4c155d2fe3a8391f86dcf9a8c49e17188703' into clippyup 2020-11-05 14:29:48 +01:00
bors
c2cf40cdcd Auto merge of #6284 - camsteffen:rustc-sym, r=flip1995 
Use const sym where possible

I ran a regex search and replace to use const `sym` values where possible. This should give some performance boost by avoiding string interning at runtime.

Con: It is not as consistent as always using `sym!`.

I also changed an internal lint to suggest using `sym::{}`, making an assumption that this will always work for diagnostic items.

changelog: none
 2020-11-04 09:22:54 +00:00
bors
a2bf404d34 Auto merge of #6101 - pitiK3U:from_iter_instead_of_collect, r=flip1995 
Add lint: from_iter_instead_of_collect

Fixes #5679

This implements lint for `::from_iter()` from #5679 not the general issue (`std::ops::Add::add`, etc.).
This lint checks if expression is function call with `from_iter` name and if it's implementation of the `std::iter::FromIterator` trait.

changelog: Introduce  from_iter_instead_of_collect lint
 2020-11-03 15:59:16 +00:00
Piti the little Light
52d1ea3c9a
Fix: Don't show lint for types that doesn't implement Iterator 2020-11-03 16:44:24 +01:00
Piti the little Light
f359fb872b
Improve error message 2020-11-03 16:44:24 +01:00
Piti the little Light
abdb7aeb55
Remove backticks 2020-11-03 16:44:24 +01:00
Piti the little Light
854f2cef06
Run cargo dev fmt 2020-11-03 16:44:24 +01:00
Piti the little Light
8906040445
Improvements from PR feedback 2020-11-03 16:44:21 +01:00
Piti the little Light
8a5d78b71a
Fix from_iter_instead_of_collect lint crashing on exprs without path segment 2020-11-03 16:42:30 +01:00
Piti the little Light
315bab0ea1
Add from_iter_instead_of_collect lint implementation 2020-11-03 16:42:28 +01:00
Cameron Steffen
22cc77a232 Use const rustc sym where possible 2020-11-02 11:46:37 -06:00
Eduardo Broto
f8ac1f99ef Address suggestions in PR review 2020-10-30 23:47:22 +01:00
Eduardo Broto
d958269fe5 Rename single_char_push_str to single_char_add_str 2020-10-30 23:29:44 +01:00
Matthias Krüger
c1eb8ceede get_hint_if_single_char_arg: fix bug where multi-char letters are not detected properly 2020-10-30 23:29:44 +01:00
Matthias Krüger
c6412aeebc handle macros returning Strings in single_char_push_str and single_char_insert_str 2020-10-30 23:29:38 +01:00
Matthias Krüger
2350ee75b2 single_char_push_str lint using insert_str() on single-char literals and suggest insert() 
changelog: single_char_push_str: lint using string.insert_str() with single char literals and suggests string.insert() with a char

Fixes #6026
 2020-10-30 23:28:17 +01:00
bors
7387b87bb9 Auto merge of #6197 - ThibsG:ImproveFilterNext, r=ebroto 
Improve suggestions for several lints

This PR is a follow-up of this [Zulip discussion](https://rust-lang.zulipchat.com/#narrow/stream/257328-clippy/topic/filter_next.20lint).

It unifies placeholders for `methods` module and improves several suggestions for `filter_next`, `filter_map_next` and `map_unwrap_or` lints.

changelog: none
 2020-10-30 21:58:09 +00:00
bors
c57d8ae515 Auto merge of #6227 - HMPerson1:collect_map, r=phansch 
Add lint for replacing `.map().collect()` with `.try_for_each()`

Fixes #6208

changelog: Add `map_collect_result_unit`
 2020-10-29 15:34:15 +00:00
Nathan Whitaker
a1bb10e9b8 Remove lint from clippy 2020-10-26 18:19:48 -04:00
ThibsG
3fec6f568d Improve some suggestions for filter_map_next, filter_next and map_unwrap_or lints 2020-10-26 11:02:07 +01:00
ThibsG
2911d9c7de Use better placeholders for some methods lint messages 2020-10-26 11:02:07 +01:00
HMPerson1
f0cf3bdca1
Add lint for replacing .map().collect() with .try_for_each() 2020-10-25 21:20:57 -04:00
flip1995
fbf2430f02 Merge commit '2f6439ae6a6803d030cceb3ee14c9150e91b328b' into clippyup 2020-10-09 12:45:29 +02:00
bors
14e72696a6 Auto merge of #6124 - pickfire:patch-1, r=flip1995 
Use more concrete explanation for methods

*Please keep the line below*
changelog: none
 2020-10-06 23:22:28 +00:00
flip1995
b05aeaa9bc
Run fmt 2020-10-06 23:32:38 +02:00
Ivan Tham
7021d70d2e
Use more concrete explanation for methods 
Show some code rather than "a single method call".
 2020-10-06 23:58:32 +08:00
Matthew Jasper
adb7fc6283 Fix tools 2020-10-06 11:19:30 +01:00
flip1995
d1f9cad102 Merge commit 'e636b88aa180e8cab9e28802aac90adbc984234d' into clippyup 2020-09-24 14:49:22 +02:00
rail
ce06472246 replace walk_ptrs_ty with peel_refs 2020-09-17 10:11:59 +12:00
bors
06f1902878 Auto merge of #5937 - montrivo:option_if_let_else, r=flip1995 
option_if_let_else - distinguish pure from impure else expressions

Addresses partially #5821.

changelog: improve the lint `option_if_let_else`. Suggest `map_or` or `map_or_else` based on the else expression purity.
 2020-09-16 19:36:49 +00:00
Tim Nielens
6ba36bcfd3 option_if_let_else - distinguish pure from impure else expressions 2020-09-16 01:30:50 +02:00
Eduardo Broto
332c2dcb4d Fix dogfood after MatchTypeOnDiagItem 2020-09-15 10:29:53 +02:00
Matthias Krüger
2487f8f461 into_iter_on_ref: rephrase lint message: will not move the x -> will not consume the x 
imo that's a bit clearer.
 2020-09-11 16:52:25 +02:00
flip1995
a12828a80a Merge commit '5034d47f721ff4c3a3ff2aca9ef2ef3e1d067f9f' into clippyup 2020-09-10 17:47:07 +02:00
Eduardo Broto
23646e6583 Merge remote-tracking branch 'upstream/master' into sync-from-rust 2020-09-04 23:27:01 +02:00
LeSeulArtichaut
28f9b84042 ty.kind -> ty.kind() in rustdoc and clippy 2020-09-04 18:27:33 +02:00
Camelid
17b2ba5ded Syntax-highlight single_char_push_str lint 2020-08-30 11:29:17 -07:00
flip1995
282c59820b Merge commit '3d0b0e66afdfaa519d8855b338b35b4605775945' into clippyup 2020-08-28 18:43:25 +02:00
Thibaud
73b1ee1a61
Update clippy_lints/src/methods/mod.rs 
Co-authored-by: Eduardo Broto <ebroto@tutanota.com>
 2020-08-28 09:33:05 +02:00
ThibsG
504612622f Merge logic of looking for Self type 2020-08-27 18:31:31 +02:00
ThibsG
3cb75c2e5c Remove expansion restriction + fix doc and tests naming 2020-08-27 18:25:38 +02:00
ThibsG
2a3ee5fa85 Fix FP in new_ret_no_self: trigger in trait def instead of impl block 2020-08-27 18:25:38 +02:00
Thibaud
370fc45a0a
Update clippy_lints/src/methods/mod.rs 
Co-authored-by: Eduardo Broto <ebroto@tutanota.com>
 2020-08-25 22:20:35 +02:00
ThibsG
3d820f71fe Fix incorrect suggestion when clone_on_ref_ptr is triggered in macros 2020-08-24 14:05:49 +02:00
Michael Wright
11efd75aeb Fix false negative in option_as_ref_deref 2020-08-21 07:23:04 +02:00
flip1995
c680602005
Merge remote-tracking branch 'upstream/master' into rustup 2020-08-18 19:50:23 +02:00
David Wood
f13d2bfd9b clippy: support QPath::LangItem 
This commit updates clippy with the introduction of `QPath::LangItem` so
that it still compiles.

Signed-off-by: David Wood <david@davidtw.co>
 2020-08-17 13:55:05 +01:00
Dániel Buga
fc1e07e0c1 Rename lint to use plural form 2020-08-16 22:16:39 +02:00
Dániel Buga
8a14c11536 Cleanup, explain return value 2020-08-16 20:50:30 +02:00
Dániel Buga
d71b418ac5 Moved to submodule, don't trigger if map_unwrap_or does 2020-08-16 20:47:50 +02:00
Dániel Buga
9c41822d34 Apply suggested change 
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2020-08-16 20:27:54 +02:00
Dániel Buga
94cf90e5a5 Apply suggested change 
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2020-08-16 20:27:54 +02:00
Dániel Buga
a7083eea1c Removed the extra lifetime parameter 2020-08-16 20:27:54 +02:00
Dániel Buga
75637c1eda Catch function calls in argument lists, add tests that tuples don't get linted 2020-08-16 20:27:54 +02:00
Dániel Buga
a7cc5d4068 Also simplify if the closure body is an index expression 2020-08-16 20:27:54 +02:00
Dániel Buga
848af39310 Add note to or_fun_call, list checked methods 2020-08-16 20:27:54 +02:00
Dániel Buga
a3ea65c2d9 Implement new lint 2020-08-16 20:27:22 +02:00
bors
3bd98895f1 Auto merge of #5725 - montrivo:should-impl-trait, r=flip1995 
should_impl_trait - ignore methods with lifetime params

Fixes: #5617

changelog: don't lint should_implement_trait when an `Iterator::next` case has explicit parameters
 2020-08-16 17:51:18 +00:00
Christoph Walcher
b381ade179
elide lifetimes 2020-08-15 01:40:55 +02:00
Christoph Walcher
ae56e988a2
Merge lint with single_char_pattern 2020-08-15 01:40:55 +02:00
Erich Gubler
48a142559d
docs: typo in temporary_cstring_as_ptr: s/point/&s 2020-08-13 13:52:21 -06:00
flip1995
027780ca2c Merge commit '09bd400243ed6f7059fedc0c1623aae3792521d6' into clippyup 2020-08-11 17:50:45 +02:00
Matthias Krüger
6af297f80e iter-next-slice: make lint adhere to lint message convention 2020-08-11 15:15:26 +02:00
Tim Nielens
f9ba829f67 should_impl_trait - self linting 2020-08-09 16:09:08 +02:00
Tim Nielens
166c520e9a should_impl_trait - pr comments 2020-08-09 15:10:00 +02:00
Tim Nielens
7cc1a2ed87 should_implement_trait - filter on explicit lifetime param only 2020-08-09 15:10:00 +02:00
Tim Nielens
e6b2254f9e should_implement_trait - pr remarks 2020-08-09 15:10:00 +02:00
Tim Nielens
2bc0ecd44b should_implement_trait - add test cases for every checked trait method 2020-08-09 15:10:00 +02:00
Tim Nielens
a77e881ec9 should_impl_trait - ignore methods with lifetime params 2020-08-09 15:10:00 +02:00
bors
2ceb8c6c2d Auto merge of #5865 - camsteffen:unnecessary-fold-known-probs, r=Manishearth 
Remove obsolete known problems unnecessary_fold

The known problems looks to be obsolete since NLL is stable.

changelog: none
 2020-08-04 23:09:35 +00:00
Cameron Steffen
0ccdf2913a
Remove obsolete known problems unnecessary_fold 2020-08-03 16:23:20 -05:00
Dmitry Murzin
d4ba561aaf
Review fixes 2020-07-31 00:28:21 +03:00
Dmitry Murzin
a427c99f3d
Handle mapping to Option in map_flatten lint 2020-07-30 23:23:33 +03:00
bors
2e0f8b6cc6 Auto merge of #5843 - dima74:iter_skip_next.add-suggestion, r=phansch 
Add suggestion for `iter_skip_next` lint

changelog: Add suggestion for [`iter_skip_next`](https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next) lint
 2020-07-29 06:10:55 +00:00
Bastian Kauschke
6ce37fab95 introduce PredicateAtom 2020-07-27 21:07:37 +02:00
Bastian Kauschke
88787083f4 this might be unqualified, but at least it's now quantified 2020-07-27 21:06:36 +02:00
Bastian Kauschke
dfa1af2059 clippy 2020-07-27 21:06:36 +02:00
flip1995
d164ab65f7 Merge commit 'da5a6fb1b65ec6581a67e942a3850f6bc15a552c' into clippyup 2020-07-26 21:07:07 +02:00
Dmitry Murzin
b375f1dd20
Add suggestion for iter_skip_next lint 2020-07-25 17:11:55 +03:00
flip1995
0f501ac1db
Merge remote-tracking branch 'upstream/master' into rustup 2020-07-18 15:09:58 +02:00
Valentin Lazureanu
5a20489c5c Rename TypeckTables to TypeckResults. 2020-07-17 08:47:04 +00:00
Brian Warner
e83b3eb993 formatting nits 2020-07-14 09:20:19 -07:00
flip1995
6f25adbd5a Merge commit '2ca58e7dda4a9eb142599638c59dc04d15961175' into clippyup 2020-07-14 14:59:59 +02:00
Brian Warner
201999ccfd improve advice in iter_nth_zero 
The "use .next()" replacement advice is on the last line of the code snippet,
where it is vulnerable to truncation. Display that advice at the beginning
instead.

closes #5783
 2020-07-13 10:59:45 -07:00
robojumper
1740dda763 fix match_like_matches_macro in clippy 2020-07-06 18:35:58 +02:00
JarredAllen
6ce981225b Clean existing lint code to match new lint 2020-07-03 16:51:44 -07:00
JarredAllen
5150277a4f Used clippy to clean itself 2020-07-03 16:50:45 -07:00
flip1995
a7c58e66d4
Merge remote-tracking branch 'upstream/master' into rustup 2020-07-03 12:50:41 +02:00
Eduard-Mihai Burtescu
30c046ede4 Use 'tcx for references to AccessLevels wherever possible. 2020-07-03 00:04:48 +03:00
Eduard-Mihai Burtescu
590e07bbc2 rustc_lint: avoid using TypeckTables::empty for LateContext. 2020-07-02 16:51:04 +03:00
flip1995
1e861a2663
Merge remote-tracking branch 'upstream/master' into rustup2 2020-06-30 15:40:22 +02:00
Eduard-Mihai Burtescu
f5ce0e5fe9 rustc_lint: only query typeck_tables_of when a lint needs it. 2020-06-26 02:56:23 +03:00
bors
a14eab389f Auto merge of #5745 - montrivo:copy_on_clone, r=phansch 
clone_on_copy - add machine applicability

Fix #4826.
Change the applicability of the lint clone_on_copy. Split a test file and run rustfix on the clone_on_copy part.

changelog: clone_on_copy - add machine applicability
 2020-06-24 07:11:07 +00:00
Tim Nielens
6bf5434e19 copy_on_clone - add machine applicability 2020-06-24 01:01:44 +02:00
Aaron Hill
6b3ee8f600 Update Clippy for MethodCall changes 2020-06-10 17:30:11 -04:00
Lzu Tao
8db24840f7 Merge commit 'ff0993c5e9162ddaea78e83d0f0161e68bd4ea73' into clippy 2020-06-09 14:36:01 +00:00
Mazdak Farrokhzad
78f158e80e
dogfood unnested_or_patterns 2020-06-07 21:16:03 +02:00
Philipp Hansch
623faac84e
Cleanup: Use rustc's same_types instead of our same_tys 2020-06-06 11:50:59 +02:00
bors
5cb9ef390a Auto merge of #5664 - ThibsG:GiveCorrectedCode, r=flip1995 
Give corrected code

This PR adds corrected code for doc examples.

I did this in several commits to facilitate review.
Don't hesitate to tell me if I forgot some.
Also, sometimes I felt it was not necessary to give corrected code, but I maybe wrong.

fixes: #4829

changelog: Improve documentation examples across multiple lints.
 2020-06-02 12:11:28 +00:00
bors
f760d77bdb Auto merge of #5597 - esamudera:slice_iter_next, r=flip1995 
New lint: iter_next_slice

Hello, this is a work-in-progress PR for issue: https://github.com/rust-lang/rust-clippy/issues/5572

I have implemented lint to replace `iter().next()` for `slice[index..]` and `array` with `get(index)` and `get(0)` respectively. However since I made a lot of changes, I would like to request some feedback before continuing so that I could fix mistakes.

Thank you!

---

changelog: implement `iter_next_slice` lint and test, and modify `needless_continues`, `for_loop_over_options_result` UI tests since they have `iter().next()`
 2020-06-02 11:42:22 +00:00
ThibsG
137a3b4d32 Corrected doc PR fixes 2020-06-01 10:49:48 +02:00
ThibsG
9893254dff Add more corrected code for doc 2020-06-01 10:39:52 +02:00
Ericko Samudera
32fde0b511 New lint: iter_next_slice 2020-06-01 03:08:51 +07:00
flip1995
a0e9f9bd0d Merge commit '7ea7cd165ad6705603852771bf82cc2fd6560db5' into clippyup2 2020-05-28 15:45:24 +02:00
Jeremy Stucki
bcfeb4de15
Fix build 2020-05-25 21:41:20 +02:00
Jeremy Stucki
566377f627
Ignore calls to 'len' 2020-05-25 21:41:20 +02:00
flip1995
6b3cf63bf5
Fix dogfood fallout 2020-05-22 14:45:51 +02:00
Bastian Kauschke
091239ee60 introduce newtype'd Predicate<'tcx> 2020-05-20 15:44:34 +02:00
Bastian Kauschke
2722522fac rename Predicate to PredicateKind, introduce alias 2020-05-20 15:38:03 +02:00
flip1995
f1d3086492 Merge commit 'e214ea82ad0a751563acf67e1cd9279cf302db3a' into clippyup 2020-05-17 17:36:26 +02:00
CrazyRoka
20c069beec Fixed incorrect suggestion of clone_double_ref lint 
- Added `<_>` to suggestion
- Changed help message
 2020-04-29 22:40:57 +03:00
Philipp Hansch
0480ff861a
More diagnostic items 
In particular for:

* `VecDeque`
* `String`
* `Mutex`
* `HashMap`
* `HashSet`

cc https://github.com/rust-lang/rust/pull/71414 https://github.com/rust-lang/rust-clippy/issues/5393
 2020-04-26 13:44:08 +02:00
xiongmao86
d7f1a1ed2b Change note_span argument for span_lint_and_note. 2020-04-18 18:29:36 +08:00
xiongmao86
cf4e35339b Add an Option<Span> argument to span_lint_and_help. 2020-04-18 18:28:29 +08:00
Philipp Hansch
870ae36f85
Cleanup: Rename 'db' variable to 'diag' 2020-04-17 08:08:00 +02:00
Marcin Serwin
c20afbdfe0 Lint map_flatten if caller is an Option 2020-04-16 08:00:32 +02:00
bors
81b3e7096b Auto merge of #5449 - phansch:diagnostic-items, r=matthiaskrgr 
Make use of more diagnostic items

This makes use of some (not all) already existing diagnostic items. Specifically:

* 79982a2: `core::mem::uninitialized`, `core::mem::zeroed`, `alloc::sync::Arc`, `alloc::sync::Rc`
* 83874d0: `Option` and `Result`

cc #5393

changelog: none
 2020-04-14 19:58:17 +00:00
bors
d236b30a1d Auto merge of #5457 - phansch:sym, r=matthiaskrgr 
Cleanup: Use our `sym!` macro more

It's much shorter than Symbol::intern and the effect should still be clear

---

changelog: none
 2020-04-14 12:30:14 +00:00
bors
54344c78f4 Auto merge of #5448 - Emerentius:update_new_ret_no_self_docs, r=phansch 
Update documentation for new_ret_no_self

changelog: Update documentation for lint new_ret_no_self to reflect that the return type must only contain `Self`, not be `Self`

The lint was changed to be more lenient than the documentation implies in PR #3338 (Related issue #3313)
 2020-04-13 20:32:44 +00:00
Philipp Hansch
31c5664f25
Cleanup: Use our sym! macro more 
It's much shorter that Symbol::intern and the result should still be
clear.
 2020-04-13 08:57:34 +02:00
Philipp Hansch
a524be6df5
cargo dev fmt 2020-04-12 15:23:54 +02:00
Philipp Hansch
83874d0ee7
Make use of Option/Result diagnostic items 2020-04-12 15:23:07 +02:00
Philipp Hansch
79982a2813
Make use of some existing diagnostic items 2020-04-12 13:58:04 +02:00
bors
5e8c0c5ae0 Auto merge of #5441 - rabisg0:fix/clone-on-copy, r=phansch 
Check for clone-on-copy in argument positions

Earlier if arguments to method calls matched the above pattern they were
not reported. This patch ensures such arguments are checked as well.

Fixes #5436

changelog: apply clone_on_copy lint to func args as well
 2020-04-10 21:49:26 +00:00
Emerentius
ed72dc4119
Update documentation for new_ret_no_self 
The lint was changed to be more lenient than the documentation implies in PR #3338.
Related issue #3313
 2020-04-10 19:08:31 +02:00
Philipp Hansch
3ef1dab211
Rustup to https://github.com/rust-lang/rust/pull/70913 2020-04-10 19:03:34 +02:00
Philipp Krones
90fb50fabf
Revert "Downgrade new_ret_no_self to pedantic" 2020-04-09 19:38:20 +02:00
Rabi Guha
183c4abb22 Check for clone-on-copy in argument positions 
Earlier if arguments to method calls matched the above pattern they were
not reported. This patch ensures such arguments are checked as well.

Fixes #5436
 2020-04-09 21:59:42 +05:30
bors
940bbd6aa4 Auto merge of #5437 - rabisg0:should-impl-trait, r=flip1995 
Check fn header along with decl when suggesting to implement trait

When checking for functions that are potential candidates for trait
implementations check the function header to make sure modifiers like
asyncness, constness and safety match before triggering the lint.

Fixes #5413, #4290

changelog: check fn header along with decl for should_implement_trait
 2020-04-08 16:55:47 +00:00
Rabi Guha
c2e5534157 Check fn header along with decl when suggesting to implement trait 
When checking for functions that are potential candidates for trait
implementations check the function header to make sure modifiers like
asyncness, constness and safety match before triggering the lint.

Fixes #5413, #4290
 2020-04-08 21:24:20 +05:30
David Tolnay
899a1b5598
Move cognitive_complexity to nursery 2020-04-08 08:37:20 -07:00
Philipp Krones
79d152190c
Rollup merge of #5425 - xiongmao86:issue5367, r=flip1995 
Ehance opt_as_ref_deref lint.

- [x] Added passing UI tests (including committed `.stderr` file)
- [x] `cargo test` passes locally
- [x] Run `cargo dev fmt`

Lint on opt.as_ref().map(|x| &**x). Fixes #5367.

changelog: lint on opt.as_ref().map(|x| &**x)
 2020-04-08 15:50:28 +02:00
Philipp Krones
7cb5180dfb
Rollup merge of #5420 - dtolnay:newret, r=flip1995 
Downgrade new_ret_no_self to pedantic

As motivated by #5418. This is the second most widely suppressed Clippy style lint, and [this grep.app search](https://grep.app/search?q=%5C%5Ballow%5C%28.%2Aclippy%3A%3Anew_ret_no_self%5Cb&regexp=true&case=true&filter[lang][0]=Rust) shows a large number of diverse reasonable signatures for a `new` method.

changelog: Remove new_ret_no_self from default set of enabled lints
 2020-04-08 15:50:24 +02:00
Philipp Krones
a1e49f962c
Rollup merge of #5415 - nickrtorres:master, r=flip1995 
Add new lint for `Result<T, E>.map_or(None, Some(T))`

Fixes #5414

PR Checklist
---
- [x] Followed lint naming conventions (the name is a bit awkward, but it seems to conform)
- [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

`Result<T, E>` has an [`ok()`](https://doc.rust-lang.org/std/result/enum.Result.html#method.ok) method that adapts a `Result<T,E>` into an `Option<T>`.
It's possible to get around this adapter by writing `Result<T,E>.map_or(None, Some)`.

This lint is implemented as a new variant of the existing [`option_map_none` lint](https://github.com/rust-lang/rust-clippy/pull/2128)
 2020-04-08 15:50:20 +02:00
Philipp Krones
5ea4771433
Rollup merge of #5412 - dtolnay:tostring, r=flip1995 
Downgrade inefficient_to_string to pedantic

From the [documentation](https://rust-lang.github.io/rust-clippy/master/index.html#inefficient_to_string):

> ```diff
> - ["foo", "bar"].iter().map(|s| s.to_string());
>
> + ["foo", "bar"].iter().map(|&s| s.to_string());
> ```

I feel like saving 10 nanoseconds from the formatting machinery isn't worth asking the programmer to insert extra `&` / `*` noise in the *vast* majority of cases. This is a pedantic lint.

changelog: Remove inefficient_to_string from default set of enabled lints
 2020-04-08 15:50:19 +02:00
Linus Färnstrand
1647f53fb3 Use int assoc consts in MANUAL_SATURATING_ARITHMETIC 2020-04-08 00:43:27 +02:00
Eduard Burtescu
2ad4d6a057 rustup: update for the new Ty::walk interface. 2020-04-07 19:53:56 +00:00
xiongmao86
d7056f8ffb Refine lint message. 2020-04-07 21:25:07 +08:00
xiongmao86
4f14826e09 Lint on opt.as_ref().map(|x| &**x). 2020-04-06 22:53:59 +08:00
Nick Torres
5d54fbb791 result_map_or_into_option: fix syntax error in example 2020-04-04 17:20:23 -07:00
Nick Torres
325d0b69d2 result_map_or_into: fix dogfood_clippy error => {h,l}int 2020-04-04 15:02:38 -07:00
Nick Torres
2533f56a0e result_map_or_into_option: fix cargo dev fmt --check errors 2020-04-04 14:33:43 -07:00
Nick Torres
acc3bc1ba2 result_map_or_into_option: move arg checks into tuple assignment 2020-04-04 14:24:22 -07:00
Nick Torres
d0738bd673 result_map_or_into_option: destructure lint tuple or return early 2020-04-04 14:16:23 -07:00
Nick Torres
3a29aedf8d result_map_or_into_option: add good and bad examples 2020-04-04 14:16:18 -07:00
Nick Torres
91759a7582 result_map_or_into_option: explicitly note absence of known problems 2020-04-04 14:16:11 -07:00
David Tolnay
560c8c9c70
Downgrade new_ret_no_self to pedantic 2020-04-04 12:58:18 -07:00
Nick Torres
91d8a804d3 result_map_or_into_option: add lint to catch manually adpating Result -> Option 
Result<T, E> has an `ok()` method that adapts a Result<T,E> into an Option<T>.
It's possible to get around this adapter by writing Result<T,E>.map_or(None, Some).

This lint is implemented as a new variant of the existing
[`option_map_none` lint](https://github.com/rust-lang/rust-clippy/pull/2128)
 2020-04-04 03:17:13 -07:00
David Tolnay
e26ae7a0ff
Downgrade inefficient_to_string to pedantic 2020-04-02 20:00:12 -07:00
Matthias Krüger
aff57e0f43 rustup https://github.com/rust-lang/rust/pull/70536 2020-03-30 11:17:58 +02:00
Philipp Hansch
cec1e8f74e
Remove dependency on matches crate 
The std equivalent works exactly the same.
 2020-03-25 07:50:08 +01:00
Matthias Krüger
a97f60b8e3 rustup https://github.com/rust-lang/rust/pull/69738 2020-03-16 18:38:30 +01:00
bors
24f6d643fe Auto merge of #5322 - phansch:or_patterns, r=matthiaskrgr 
Make use of `or_patterns` feature

changelog: none
 2020-03-16 12:41:04 +00:00