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Use const generics for array <code>Default</code> impl

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]`

Libs-TrackedLibs issues that are tracked on the team's project board.Libs issues that are tracked on the team's project board.

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-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.

#61415 In rust-lang/rust;

· varkor opened on May 31, 2019

Inconsistent failure in byte slice &amp;[u8] comparison caused by unrelated code

A-inferenceArea: Type inferenceArea: Type inference

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

A-type-systemArea: Type systemArea: Type system

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-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.

#77314 In rust-lang/rust;

· aidanhs opened on Sep 28, 2020

slice::iter() does not preserve number of iterations information for optimizer causing unneeded bounds checks

A-iteratorsArea: IteratorsArea: Iterators

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

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated 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.

#75935 In rust-lang/rust;

· sdroege opened on Aug 26, 2020

Tracking Issue for slice_range

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

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

Libs-TrackedLibs issues that are tracked on the team's project board.Libs issues that are tracked on the team's project board.

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.

#76393 In rust-lang/rust;

· dylni opened on Sep 5, 2020

Tracking Issue for Box::into_boxed_slice

A-boxArea: Our favorite opsem complicationArea: Our favorite opsem complication

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

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

Libs-SmallLibs issues that are considered "small" or self-containedLibs issues that are considered "small" or self-contained

Libs-TrackedLibs issues that are tracked on the team's project board.Libs issues that are tracked on the team's project board.

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.

#71582 In rust-lang/rust;

· elichai opened on Apr 26, 2020

slice -&gt; array conversion function

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]`

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

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.

#71705 In rust-lang/rust;

· leonardo-m opened on Apr 30, 2020

Tracking Issue for raw slice getters (slice_ptr_get)

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

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

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

Libs-SmallLibs issues that are considered "small" or self-containedLibs issues that are considered "small" or self-contained

Libs-TrackedLibs issues that are tracked on the team's project board.Libs issues that are tracked on the team's project board.

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.

#74265 In rust-lang/rust;

· RalfJung opened on Jul 12, 2020

MaybeUninit::write_slice_cloned() makes it very easy to accidentally leak

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

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

Status: Open.

#80376 In rust-lang/rust;

· mgeier opened on Dec 26, 2020

Use sort_unstable to sort primitive types

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

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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.

#80483 In rust-lang/rust;

· ChrisJefferson opened on Dec 29, 2020

The assembly code generated by calling <code>&lt;[T]&gt;::sort_unstable_by</code> contains bounds checking code

A-codegenArea: Code generationArea: Code generation

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

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

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

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

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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.

#92958 In rust-lang/rust;

· EFanZh opened on Jan 16, 2022

MaybeUninit::fill_slice

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

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

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

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.

#91053 In rust-lang/rust;

· stepancheg opened on Nov 19, 2021

slice docs could use example functions, clear header

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and tools

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

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

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.

#85950 In rust-lang/rust;

· workingjubilee opened on Jun 3, 2021