-
Notifications
You must be signed in to change notification settings - Fork 1.5k
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Rustup #13236
Merged
Merged
Rustup #13236
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Implement lint against ambiguous negative literals This PR implements a lint against ambiguous negative literals with a literal and method calls right after it. ## `ambiguous_negative_literals` (deny-by-default) The `ambiguous_negative_literals` lint checks for cases that are confusing between a negative literal and a negation that's not part of the literal. ### Example ```rust,compile_fail -1i32.abs(); // equals -1, while `(-1i32).abs()` equals 1 ``` ### Explanation Method calls take precedence over unary precedence. Setting the precedence explicitly makes the code clearer and avoid potential bugs. <details> <summary>Old proposed lint</summary> ## `ambiguous_unary_precedence` (deny-by-default) The `ambiguous_unary_precedence` lint checks for use the negative unary operator with a literal and method calls. ### Example ```rust -1i32.abs(); // equals -1, while `(-1i32).abs()` equals 1 ``` ### Explanation Unary operations take precedence on binary operations and method calls take precedence over unary precedence. Setting the precedence explicitly makes the code clearer and avoid potential bugs. </details> ----- Note: This is a strip down version of rust-lang/rust#117161, without the binary op precedence. Fixes rust-lang/rust#117155 `@rustbot` labels +I-lang-nominated cc `@scottmcm` r? compiler
Clippy subtree update r? `@Manishearth` Updates Cargo.lock due to the Clippy version update and the ui_test bump to v0.24
Support ?Trait bounds in supertraits and dyn Trait under a feature gate This patch allows `maybe` polarity bounds under a feature gate. The only language change here is that corresponding hard errors are replaced by feature gates. Example: ```rust #![feature(allow_maybe_polarity)] ... trait Trait1 : ?Trait { ... } // ok fn foo(_: Box<(dyn Trait2 + ?Trait)>) {} // ok fn bar<T: ?Sized + ?Trait>(_: &T) {} // ok ``` Maybe bounds still don't do anything (except for `Sized` trait), however this patch will allow us to [experiment with default auto traits](rust-lang/rust#120706 (comment)). This is a part of the [MCP: Low level components for async drop](rust-lang/compiler-team#727)
…lnay Stabilize const `{integer}::from_str_radix` i.e. `const_int_from_str` This PR stabilizes the feature `const_int_from_str`. - ACP Issue: rust-lang/libs-team#74 - Implementation PR: rust-lang/rust#99322 - Part of Tracking Issue: rust-lang/rust#59133 API Change Diff: ```diff impl {integer} { - pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError>; + pub const fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError>; } impl ParseIntError { - pub fn kind(&self) -> &IntErrorKind; + pub const fn kind(&self) -> &IntErrorKind; } ``` This makes it easier to parse integers at compile-time, e.g. the example from the Tracking Issue: ```rust env!("SOMETHING").parse::<usize>().unwrap() ``` could now be achived with ```rust match usize::from_str_radix(env!("SOMETHING"), 10) { Ok(val) => val, Err(err) => panic!("Invalid value for SOMETHING environment variable."), } ``` rather than having to depend on a library that implements or manually implement the parsing at compile-time. --- Checklist based on [Libs Stabilization Guide - When there's const involved](https://std-dev-guide.rust-lang.org/development/stabilization.html#when-theres-const-involved) I am treating this as a [partial stabilization](https://std-dev-guide.rust-lang.org/development/stabilization.html#partial-stabilizations) as it shares a tracking issue (and is rather small), so directly opening the partial stabilization PR for the subset (feature `const_int_from_str`) being stabilized. - [x] ping Constant Evaluation WG - [x] no unsafe involved - [x] no `#[allow_internal_unstable]` - [ ] usage of `intrinsic::const_eval_select` rust-lang/rust#124625 in `from_str_radix_assert` to change the error message between compile-time and run-time - [ ] [rust-labg/libs-api FCP](rust-lang/rust#124941 (comment))
When a suggestion part is for already present code, do not highlight it. If after that there are no highlights left, do not show the suggestion at all. Fix clippy lint suggestion incorrectly treated as `span_help`.
rustbot
added
the
S-waiting-on-review
Status: Awaiting review from the assignee but also interested parties
label
Aug 8, 2024
@bors r+ p=1 |
☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
r? @ghost
changelog: ICE fix [
uninit_vec
] through rust-lang/rust#128720