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Welcome to the Rust Programming Language Internals Forum
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1
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43659
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July 7, 2014
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Adding functions to temporarily take ownership of a mutable reference to std::mem
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4
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97
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December 19, 2025
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#[key] attribute for derive(Eq, Hash, Ord) as a counterpart to #[default]
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4
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62
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December 19, 2025
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[Pre-ACP] `TryFrom` for exact float-int conversions
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4
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276
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December 19, 2025
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Can the lifetimes be simpler?
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29
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1193
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December 19, 2025
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Observation: Extra & Required for String Slices Feels Redundant
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8
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378
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December 19, 2025
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Syntax bikeshed: specializable bounds
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18
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614
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December 19, 2025
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Cargo fingerprinting
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2
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164
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December 18, 2025
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Seeking beta testers for rustup v1.29.0
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1
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342
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December 18, 2025
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Naming GPU things in the Rust Compiler and Standard Library
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3
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196
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December 18, 2025
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[Pre-RFC] Selectable Trait Implementations
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11
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233
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December 18, 2025
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Control over CPU cache
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2
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228
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December 18, 2025
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Stabilization proposal: Unsize trait
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7
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301
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December 17, 2025
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What if hovering on `deny_unknown_fields` showed documentation?
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1
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303
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December 17, 2025
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Pre-RFC: Homogenize Move Semantics for All Types — Eliminating Copy/Clone Distinction to Reduce Cognitive Load
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8
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391
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December 17, 2025
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Inherited C-badness in std::io::Error
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24
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900
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December 16, 2025
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[Pre-RFC] Emit Retags in Codegen
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7
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894
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December 16, 2025
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`Rc` is `!Send` but not thread-dependant?
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18
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656
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December 15, 2025
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[Pre-RFC] Substructural Type System
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23
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2546
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December 15, 2025
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Generic specialization
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6
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275
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December 14, 2025
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Re-opening deprecating Option::unwrap and Result::unwrap
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120
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3597
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December 14, 2025
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Profile overrides for a package *and dependencies*?
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5
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219
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December 14, 2025
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Unstable API at doc.rust-lang.org/std?
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35
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1540
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December 13, 2025
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Pre-RFC: add LLM text version to rustdoc
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15
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1635
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December 10, 2025
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Rust 1.92.0 pre-release testing
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8
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662
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December 10, 2025
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[Pre-RFC] Thin pointers with inlined metadata
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3
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489
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December 9, 2025
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[Feature Request] rustdoc: Support Markdown
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7
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805
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December 8, 2025
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Nested DSTs and multiple DST fields
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12
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348
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December 8, 2025
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Complex Numbers (Pre-ACP)
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26
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1067
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December 8, 2025
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Closure `clone` keyword proposal
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12
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570
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December 8, 2025
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