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Permit attributes on <code>use</code> items

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-grammarArea: The grammar of RustArea: The grammar of Rust

A-resolveArea: Name/path resolution done by `rustc_resolve` specificallyArea: Name/path resolution done by `rustc_resolve` specifically

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

P-lang-drag-2Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

Feature Request

#141704 In rust-lang/rust;

· jhpratt opened on May 28, 2025

<code>impl</code> blocks do not support conditional type parameters

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

A-grammarArea: The grammar of RustArea: The grammar of Rust

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

needs-rfcThis change is large or controversial enough that it should have an RFC accepted before doing it.This change is large or controversial enough that it should have an RFC accepted before doing it.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

T-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.

Status: Open.

#119281 In rust-lang/rust;

· andreisilviudragnea opened on Dec 24, 2023

Ranges of match expressions incorrectly parsed

A-grammarArea: The grammar of RustArea: The grammar of Rust

C-bugCategory: This is a bug.Category: This is a bug.

Status: Open.

#112329 In rust-lang/rust;

· clarfonthey opened on Jun 5, 2023

Allow numeric tokens containing 'e' that aren't exponents be passed to proc macros

A-grammarArea: The grammar of RustArea: The grammar of Rust

A-proc-macrosArea: Procedural macrosArea: Procedural macros

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

I-lang-easy-decisionIssue: The decision needed by the team is conjectured to be easy; this does not imply nominationIssue: The decision needed by the team is conjectured to be easy; this does not imply nomination

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#111615 In rust-lang/rust;

· ogoffart opened on May 15, 2023

Unable to Utilize <code>unsafe {}</code> Blocks as an Expression

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-grammarArea: The grammar of RustArea: The grammar of Rust

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

D-terseDiagnostics: An error or lint that doesn't give enough information about the problem at hand.Diagnostics: An error or lint that doesn't give enough information about the problem at hand.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#98093 In rust-lang/rust;

· HTGAzureX1212 opened on Jun 14, 2022

Bug when mixing /**/ and // comments on * operator

A-grammarArea: The grammar of RustArea: The grammar of Rust

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#82997 In rust-lang/rust;

· ALRBP opened on Mar 11, 2021

Creating a macro of generating closure, description of arguments to closure in || with a star only works as an exclamation point.

A-grammarArea: The grammar of RustArea: The grammar of Rust

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#72652 In rust-lang/rust;

· denisandroid opened on May 27, 2020

Failure to parse <code>{2} + {2}</code>

A-grammarArea: The grammar of RustArea: The grammar of Rust

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#54482 In rust-lang/rust;

· blaztinn opened on Sep 22, 2018

Operators in patterns have incorrect priorities

A-grammarArea: The grammar of RustArea: The grammar of Rust

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

F-exclusive_range_pattern`#![feature(exclusive_range_pattern)]``#![feature(exclusive_range_pattern)]`

F-half_open_range_patterns`#![feature(half_open_range_patterns)]``#![feature(half_open_range_patterns)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#48501 In rust-lang/rust;

· petrochenkov opened on Feb 24, 2018

Grammar ambiguity with left shifts and fully qualified (UFCS) paths

A-grammarArea: The grammar of RustArea: The grammar of Rust

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

P-lowLow priorityLow priority

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#45144 In rust-lang/rust;

· petrochenkov opened on Oct 9, 2017

Range expressions: discrepancies between rustc and parser-lalr

A-grammarArea: The grammar of RustArea: The grammar of Rust

C-bugCategory: This is a bug.Category: This is a bug.

I-needs-decisionIssue: In need of a decision.Issue: In need of a decision.

P-mediumMedium priorityMedium priority

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#28785 In rust-lang/rust;

· rprichard opened on Oct 1, 2015

Use of <code>ty</code> macro non-terminal in trait bounds

A-grammarArea: The grammar of RustArea: The grammar of Rust

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#20272 In rust-lang/rust;

· stuglaser opened on Dec 28, 2014