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Welcome to the Rust Programming Language Internals Forum
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1
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43946
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July 7, 2014
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Stop including string content in index panics?
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10
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563
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March 13, 2026
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Pre-feature request: suppress unused variable warning for unit-type arguments
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14
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309
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March 11, 2026
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Idea : Lock Free STD Collection
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9
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698
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March 7, 2026
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Should we have set static field for Trait?
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1
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205
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March 6, 2026
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Interior mutability and safety of ownership transfer in Rust
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8
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252
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March 6, 2026
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Pre-RFC: Deprecation and separation of the dead_code lint
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15
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711
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March 4, 2026
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Custom Cargo Command to Show Only Errors (Avoid Setting RustFLAGS Every Time)
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15
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528
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March 3, 2026
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Using pre-2015 Rust
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8
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605
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February 20, 2026
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Looking for use cases of both using keyword `Self` and restricting to select inherent method somehow
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7
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299
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February 10, 2026
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What's the status of feature try_reserve?
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0
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196
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February 7, 2026
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Correct term for a “thing that can be moved but also mutated”
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19
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743
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January 28, 2026
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Propagating custom source annotation to LLVM IR
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1
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192
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January 20, 2026
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Ternary Operator
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11
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853
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January 19, 2026
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"arbitrary_self_types" with dyn compatibility
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6
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279
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January 15, 2026
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The case for fallible shrinking in Vec
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5
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394
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January 15, 2026
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Why `Vec` doesn't implement `Unpin` unconditionally like `Box`
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6
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616
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January 13, 2026
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#[repr(align(…))] should allow any constant expression, not just integer literals
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3
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285
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January 13, 2026
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Better codegen for CPU feature detection
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44
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3166
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January 12, 2026
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Win/Mac installer: Pack documentation into single file
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7
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249
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January 1, 2026
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A new beginning for Rust
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1
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571
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December 31, 2025
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Cargo fingerprinting
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13
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688
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December 24, 2025
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Control over CPU cache
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2
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395
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December 18, 2025
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What if hovering on `deny_unknown_fields` showed documentation?
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1
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363
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December 17, 2025
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Unstable API at doc.rust-lang.org/std?
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35
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1664
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December 13, 2025
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Is it possible to have a better .expect() function that accept formatted literials?
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18
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950
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December 8, 2025
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Reproducible builds for rustc: GSOC '25 idea
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4
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982
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December 5, 2025
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Idea - Burner Traits
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1
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301
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November 23, 2025
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#[warn(unreachable_code)] warning on unreachable!()
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8
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446
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November 10, 2025
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Idea: allow methods with provided `self` to be used as closures
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18
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736
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November 10, 2025
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