Search results

Resolve error in const params doesn't do fuzzy search for consts

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

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

D-lack-of-suggestionDiagnostics: Adding a (structured) suggestion would increase the quality of the diagnostic.Diagnostics: Adding a (structured) suggestion would increase the quality of the diagnostic.

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.

D-verboseDiagnostics: Too much output caused by a single piece of incorrect code.Diagnostics: Too much output caused by a single piece of incorrect code.

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.

#149660 In rust-lang/rust;

· estebank opened on Dec 4, 2025

Type of const generic can't be associated type.

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

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

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.

#149214 In rust-lang/rust;

· theemathas opened on Nov 22, 2025

<code>Self</code> not allowed in type of const generics even when it's concrete

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

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

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.

#149203 In rust-lang/rust;

· theemathas opened on Nov 22, 2025

ICE: expected type for <code>&lt;closure_kind&gt;/#2</code> (&lt;closure_kind&gt;/#2/2) but found Lifetime('?30) when instantiating

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

#148596 In rust-lang/rust;

· nazar-pc opened on Nov 6, 2025

Tracking issue for release notes of #75027: Tracking Issue for slice::array_windows

A-arrayArea: `[T; N]`Area: `[T; N]`

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-sliceArea: `[T]`Area: `[T]`

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

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

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.

#148386 In rust-lang/rust;

· rustbot opened on Nov 2, 2025

·  

1.94.0

Support fn() types as const generic parameters

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

Status: Open.

#148377 In rust-lang/rust;

· lyphyser opened on Nov 2, 2025

ICE: cannot find .. in param-env: ParamEnv

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

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.

#148096 In rust-lang/rust;

· matthiaskrgr opened on Oct 25, 2025

<code>thread_local!</code> doesn’t like types whose definitions cannot be written more than once

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

A-thread-localsArea: Thread local storage (TLS)Area: Thread local storage (TLS)

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

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

Status: Open.

#147103 In rust-lang/rust;

· Jules-Bertholet opened on Sep 27, 2025

Const generics do not accept exhaustive trait impls

A-coherenceArea: CoherenceArea: Coherence

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-trait-systemArea: Trait systemArea: Trait system

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

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.

#146962 In rust-lang/rust;

· clarfonthey opened on Sep 24, 2025

ICE: <code>assertion failed: layout.is_sized()</code>

A-const-evalArea: Constant evaluation, covers all const contexts (static, const fn, ...)Area: Constant evaluation, covers all const contexts (static, const fn, ...)

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

#146084 In rust-lang/rust;

· levinwinter opened on Sep 1, 2025

Compiler doesn’t allow creating u8 slices when using const generics

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-repr-packedArea: the naughtiest reprArea: the naughtiest repr

A-sliceArea: `[T]`Area: `[T]`

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

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.

#145376 In rust-lang/rust;

· gralpli opened on Aug 14, 2025

Trait solver fails to see trait is implemented for all values of const generic param

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-trait-systemArea: Trait systemArea: Trait system

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

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.

#145133 In rust-lang/rust;

· Keaudes opened on Aug 8, 2025