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Tracking Issue for const_option_ops

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-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.

#143956 In rust-lang/rust;

· oli-obk opened on Jul 15, 2025

Tracking Issue for const_index

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-const_trait_impl`#![feature(const_trait_impl)]``#![feature(const_trait_impl)]`

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

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.

#143775 In rust-lang/rust;

· oli-obk opened on Jul 11, 2025

Tracking Issue for const_from

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-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.

#143773 In rust-lang/rust;

· oli-obk opened on Jul 11, 2025

Tracking Issue for reflection

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-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.

#142577 In rust-lang/rust;

· oli-obk opened on Jun 16, 2025

Tracking Issue for generic pattern types

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

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

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.

#136574 In rust-lang/rust;

· oli-obk opened on Feb 5, 2025

Tracking Issue for pattern types

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

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

S-tracking-perma-unstableStatus: The feature will stay unstable indefinitely.Status: The feature will stay unstable indefinitely.

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.

#123646 In rust-lang/rust;

· oli-obk opened on Apr 8, 2024

Tracking Issue for Packages as (optional) namespaces

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-cargoRelevant to the cargo team, which will review and decide on the PR/issue.Relevant to the cargo team, which will review and decide on the PR/issue.

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-crates-ioRelevant to the crates.io team, which will review and decide on the PR/issue.Relevant to the crates.io team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#122349 In rust-lang/rust;

· oli-obk opened on Mar 11, 2024

Tracking Issue for the <code>Freeze</code> trait

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

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

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.

#121675 In rust-lang/rust;

· oli-obk opened on Feb 27, 2024

Tracking Issue for <code>gen</code> blocks and functions

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-gen_blocks`gen {}` expressions that produce `Iterator`s`gen {}` expressions that produce `Iterator`s

Status: Open.

#117078 In rust-lang/rust;

· oli-obk opened on Oct 23, 2023

Tracking issue for dejargonification

A-contributor-roadblockArea: Makes things more difficult for new or seasoned contributors to RustArea: Makes things more difficult for new or seasoned contributors to Rust

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

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-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.

#110254 In rust-lang/rust;

· oli-obk opened on Apr 12, 2023

Tracking Issue for <code>large_assignments</code> lint

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-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

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.

E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

S-tracking-design-concernsStatus: There are blocking design concerns.Status: There are blocking design concerns.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#83518 In rust-lang/rust;

· oli-obk opened on Mar 26, 2021

Tracking Issue for mir-inlining

A-mir-optArea: MIR optimizationsArea: MIR optimizations

A-mir-opt-inliningArea: MIR inliningArea: MIR inlining

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

Status: Open.

#81567 In rust-lang/rust;

· oli-obk opened on Jan 30, 2021