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BTreeMap::split_off should mention that the key don't need to be exact

A-collectionsArea: `std::collections`Area: `std::collections`

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

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.

#147174 In rust-lang/rust;

· ultimaweapon opened on Sep 30, 2025

<code>module_path!</code> expansion incorrect for modules without canonical path

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

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

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.

#146624 In rust-lang/rust;

· cyqsimon opened on Sep 16, 2025

Improve <code>std::path::Path::join</code> documentation when path is overridden

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

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.

#146447 In rust-lang/rust;

· PitiBouchon opened on Sep 11, 2025

Broken std docs for ExitCode: wrong rust version for PartialEq impl

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

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

Status: Open.

#146264 In rust-lang/rust;

· VorpalBlade opened on Sep 6, 2025

Example for <code>std::sync::Exclusive</code> is dubious

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

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.

#146245 In rust-lang/rust;

· kpreid opened on Sep 5, 2025

Document guarantee: <code>sync_channel</code> <code>send()</code> ⇒ immediate <code>try_recv()</code> visibility.

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

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.

#146135 In rust-lang/rust;

· jhfrontz opened on Sep 2, 2025

compiler and language documentation disagree on lifetime extension for array expressions

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

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-temporary-lifetime-extensionArea: temporary lifetime extensionArea: temporary lifetime extension

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

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-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-lang-docsRelevant to the lang-docs team.Relevant to the lang-docs team.

Status: Open.

#146092 In rust-lang/rust;

· dianne opened on Sep 1, 2025

write_all assumes that a write returning 0 is a kind of EOF

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-ioArea: `std::io`, `std::fs`, `std::net` and `std::path`Area: `std::io`, `std::fs`, `std::net` and `std::path`

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.

#145959 In rust-lang/rust;

· RalfJung opened on Aug 28, 2025

UcpSocket::send_to indicates possible partial write behavior inaccurately.

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-ioArea: `std::io`, `std::fs`, `std::net` and `std::path`Area: `std::io`, `std::fs`, `std::net` and `std::path`

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.

#145862 In rust-lang/rust;

· MaxMahem opened on Aug 25, 2025

OS Extension traits have confusing available-on annotation

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

O-androidOperating system: AndroidOperating system: Android

O-linuxOperating system: LinuxOperating system: Linux

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

Status: Open.

#144681 In rust-lang/rust;

· Darksonn opened on Jul 30, 2025

<code>Hash</code> portability between compiler versions is potentially misleading

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

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

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.

#144540 In rust-lang/rust;

· hoxxep opened on Jul 27, 2025

The comment about the <code>weak</code> field in <code>ArcArcInner</code> is imprecise

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

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.

#144296 In rust-lang/rust;

· xmh0511 opened on Jul 22, 2025