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Consider documenting the split extern prelude

A-resolveName resolution, paths, namespaces, preludes, etc.Name resolution, paths, namespaces, preludes, etc.

Status: Open.

#2188 In rust-lang/reference;

· ehuss opened on Feb 22, 2026

Is it guaranteed that align_of::<uX>() == align_of::<iX>()?

Status: Open.

#2155 In rust-lang/reference;

· joshlf opened on Feb 3, 2026

What are the divergence rules around const eval?

A-const-evalArea: Const evaluationArea: Const evaluation

A-divergence

Status: Open.

#2153 In rust-lang/reference;

· ehuss opened on Feb 1, 2026

Detail divergence for the rest of the expressions

A-divergence

Status: Open.

#2152 In rust-lang/reference;

· ehuss opened on Feb 1, 2026

What is considered a "read"?

A-divergence

Status: Open.

#2151 In rust-lang/reference;

· ehuss opened on Feb 1, 2026

Update coercion and as-casting rules

A-coercionsArea: Type coercionsArea: Type coercions

A-type-castingArea: Type casting using `as`Area: Type casting using `as`

Status: Open.

#2150 In rust-lang/reference;

· ehuss opened on Feb 1, 2026

Split up inline assembly page

A-asmArea: inline assemblyArea: inline assembly

Status: Open.

#2143 In rust-lang/reference;

· DanielEScherzer opened on Jan 26, 2026

Oddity with closures that "mention" uninitialized places

A-closuresArea: closuresArea: closures

Status: Open.

#2140 In rust-lang/reference;

· theemathas opened on Jan 24, 2026

Imprecise language about function "access"

A-visibilityArea: visibility and privacyArea: visibility and privacy

Status: Open.

#2135 In rust-lang/reference;

· umanwizard opened on Jan 15, 2026

UB inconsistency when derefing a place in a closure

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

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.

P-lang-drag-2Lang team prioritization drag level 2.Lang team prioritization drag level 2.

Status: Open.

#2121 In rust-lang/reference;

· Nadrieril opened on Dec 19, 2025

expr.array.index.const example code is outdated

A-expressionsArea: ExpressionsArea: Expressions

Language CleanupImprovements to existing language which is correct but not clear, or missing examples, or the like.Improvements to existing language which is correct but not clear, or missing examples, or the like.

Status: Open.

#2119 In rust-lang/reference;

· DanielEScherzer opened on Dec 18, 2025

Least-Upper-Bound coercions don't document special behaviour of coercing to fnptrs

A-coercionsArea: Type coercionsArea: Type coercions

Status: Open.

#2094 In rust-lang/reference;

· BoxyUwU opened on Nov 21, 2025