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Can we avoid the need for the hard cut operator?

Status: Open.

#2301 In rust-lang/reference;

· Nadrieril opened on Jun 29, 2026

Reference recommends union pattern matching pattern that is not actually guaranteed to work

Status: Open.

#2298 In rust-lang/reference;

· RalfJung opened on Jun 25, 2026

Document the rules for const UB

A-const-evalArea: Const evaluationArea: Const evaluation

A-undefined-behaviorArea: Undefined behaviorArea: Undefined behavior

Status: Open.

#2294 In rust-lang/reference;

· RalfJung opened on Jun 23, 2026

Assignee expressions can be enums

Status: Open.

#2280 In rust-lang/reference;

· theemathas opened on Jun 7, 2026

Document association of generic arguments in path segments

A-genericsArea: genericsArea: generics

Status: Open.

#2275 In rust-lang/reference;

· ehuss opened on May 24, 2026

"Macros by example" page mixes language and macro_rules input syntax definitions

Status: Open.

#2267 In rust-lang/reference;

· konnorandrews opened on May 9, 2026

Confusing use of the term "undefined behavior" in the note of type.str.value

Status: Open.

#2266 In rust-lang/reference;

· ia0 opened on May 7, 2026

The definition of fragment specifier is inconsistent

A-macrosArea: MacrosArea: Macros

Status: Open.

#2265 In rust-lang/reference;

· xmh0511 opened on May 6, 2026

document difference between T:: and <T>:: in paths

Status: Open.

#2256 In rust-lang/reference;

· tlyu opened on May 4, 2026

Assignee expressions can contain rest-patterns.

Status: Open.

#2208 In rust-lang/reference;

· theemathas opened on Mar 18, 2026

Document macro_use shadow restriction

A-macrosArea: MacrosArea: Macros

Status: Open.

#2207 In rust-lang/reference;

· ehuss opened on Mar 16, 2026

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