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821 commits

Author SHA1 Message Date
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
Takayuki Nakata
9ff7e5d984 Downgrade verbose_bit_mask to pedantic 2020-09-13 23:23:45 +09:00
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
3550568a54 removing if chain and renaming lint 2020-09-09 14:02:34 -07:00
Ricky
d719b48543 Move map_err_ignore from style to pedantic 2020-09-08 19:37:14 -04:00
Ricky
337729137b Ran cargo dev update_lints 2020-09-01 17:05:40 -04:00
Ricky
e49a29933b Working map_err_ignore lint 2020-09-01 16:26:59 -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
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
flip1995
c680602005
Merge remote-tracking branch 'upstream/master' into rustup 2020-08-18 19:50:23 +02:00
Ujjwal Sharma
ae0eb390b0 rust_ast::ast => rustc_ast 2020-08-17 20:32:32 +00:00
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
a3ea65c2d9 Implement new lint 2020-08-16 20:27:22 +02:00
bors
78857cc9d3 Auto merge of #5907 - wiomoc:feature/useless-vec-max-size, r=flip1995 
appreciative too_large_for_stack in useless `vec!`

Fixes: #5847
changelog: Add `too_large_for_stack ` configuration option for `USELESS_VEC`
 2020-08-16 17:30:12 +00:00
bors
dff7e74b27 Auto merge of #5903 - jrqc:needless_return, r=ebroto,flip1995 
Needless return

Fixes #5858
changelog: fix false positive [`needless_return`]
 2020-08-16 17:08:45 +00:00
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
jrqc
96efaee552 cargo dev update_lints 2020-08-16 00:24:27 +03:00
jrqc
a7d5c2f967 Modifications according to the code review 2020-08-16 00:24:27 +03:00
jrqc
6d18fe730e Make needless_return a late lint pass 2020-08-16 00:24:27 +03:00
Christoph Walcher
ae56e988a2
Merge lint with single_char_pattern 2020-08-15 01:40:55 +02:00
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
Christoph Walcher
8514b8407a
appreciative too_large_for_stack in useless vec! 
Fixes: #5847
 2020-08-14 14:29:16 +02:00
flip1995
027780ca2c Merge commit '09bd400243ed6f7059fedc0c1623aae3792521d6' into clippyup 2020-08-11 17:50:45 +02:00
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
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
0d2a378547 run clippy_dev update_lints 2020-08-06 06:11:23 -06:00
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
1543e117cc cargo dev update_lints 2020-08-05 22:51:38 +09:00
Takayuki Nakata
1e8ada3cab Add lint same_item_push 2020-08-05 22:51:38 +09:00
Philipp Krones
fb7ad956f6
Rollup merge of #5856 - phansch:remove-symbol-reexport, r=flip1995 
Remove old Symbol reexport

I couldn't really tell what it was meant to improve. It seems more clear
without the renaming to `Name`?

changelog: none
 2020-08-04 12:06:43 +02:00
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
Philipp Hansch
cb00cdf0d7
Remove old Symbol reexport 
I couldn't really tell what it was meant to improve. It seems more clear
without the renaming to `Name`?
 2020-08-02 11:25:03 +02:00
Christoph Walcher
94c50bc8c9
Lint duplicate methods of trait bounds 
Fixes #5777
 2020-07-28 16:42:26 +02:00
Ryan1729
fc20ee63a1 move derive_ord_xor_partial_ord into derive mod so we can reuse derive_hash_xor_partial_eq code later 2020-07-26 20:54:04 -06:00
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
Tim Nielens
0fecaf1abc redundant_closure_call - extract lint from misc_early.rs, adapt to LatePass 2020-07-20 00:30:43 +02:00
Matthias Krüger
3618b97f59 fix typos (found by codespell) 2020-07-17 01:58:41 +02:00