Search results

Tracking Issue for macro fragment fields

B-experimentalBlocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#147023 In rust-lang/rust;

· joshtriplett opened on Sep 25, 2025

Tracking Issue for RFC 3698 "Declarative <code>macro_rules!</code> derive macros" (<code>macro_derive</code>)

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

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#143549 In rust-lang/rust;

· joshtriplett opened on Jul 6, 2025

Tracking Issue for RFC 3697 "Declarative <code>macro_rules!</code> attribute macros" (<code>macro_attr</code>)

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

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#143547 In rust-lang/rust;

· joshtriplett opened on Jul 6, 2025

Please lint on <code>a.eq(b.into())</code> if <code>a.eq(b)</code> would work

A-inferenceArea: Type inferenceArea: Type inference

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

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.

Feature Request

#135201 In rust-lang/rust;

· joshtriplett opened on Jan 7, 2025

Lint for functions/variables/etc using the same name as a type (<code>str</code>, <code>u32</code>, ...)

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

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.

Feature Request

#135196 In rust-lang/rust;

· joshtriplett opened on Jan 7, 2025

Tracking Issue for <code>breakpoint</code> feature (<code>core::arch::breakpoint</code>)

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

disposition-mergeThis issue / PR is in PFCP or FCP with a disposition to merge it.This issue / PR is in PFCP or FCP with a disposition to merge it.

finished-final-comment-periodThe final comment period is finished for this PR / Issue.The final comment period is finished for this PR / Issue.

I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.

T-langRelevant to the language teamRelevant to the language team

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#133724 In rust-lang/rust;

· joshtriplett opened on Dec 2, 2024

Tracking Issue for the experimental <code>crabi</code> ABI

A-ABIArea: Concerning the application binary interface (ABI)Area: Concerning the application binary interface (ABI)

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#111423 In rust-lang/rust;

· joshtriplett opened on May 10, 2023

Tracking Issue for RFC 2528: type-changing struct update syntax

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

F-type-changing-struct-update`#![feature(type_changing_struct_update)]``#![feature(type_changing_struct_update)]`

S-tracking-needs-summaryStatus: It's hard to tell what's been done and what hasn't! Someone should do some investigation.Status: It's hard to tell what's been done and what hasn't! Someone should do some investigation.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#86555 In rust-lang/rust;

· joshtriplett opened on Jun 22, 2021

Lint against treating <code>c_char</code> as <code>i8</code> or <code>u8</code>, for portability

A-FFIArea: Foreign function interface (FFI)Area: Foreign function interface (FFI)

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

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

E-hardCall for participation: Hard difficulty. Experience needed to fix: A lot.Call for participation: Hard difficulty. Experience needed to fix: A lot.

E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement it

O-androidOperating system: AndroidOperating system: Android

O-ArmTarget: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 stateTarget: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state

O-PowerPCTarget: PowerPC processorsTarget: PowerPC processors

O-SystemZTarget: SystemZ processors (s390x)Target: SystemZ processors (s390x)

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.

#79089 In rust-lang/rust;

· joshtriplett opened on Nov 16, 2020

include! should allow inner doc comments and directives

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

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

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

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

E-mediumCall for participation: Medium difficulty. Experience needed to fix: Intermediate.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#66920 In rust-lang/rust;

· joshtriplett opened on Dec 1, 2019

Should Rust still ignore SIGPIPE by default?

A-maybe-future-editionSomething we may consider for a future edition.Something we may consider for a future edition.

A-runtimeArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflowsArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflows

I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.

T-langRelevant to the language teamRelevant to the language team

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#62569 In rust-lang/rust;

· joshtriplett opened on Jul 10, 2019

Tracking issue for RFC 2627: #[link(kind="raw-dylib")]

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

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

O-windowsOperating system: WindowsOperating system: Windows

S-tracking-impl-incompleteStatus: The implementation is incomplete.Status: The implementation is incomplete.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#58713 In rust-lang/rust;

· joshtriplett opened on Feb 24, 2019