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Welcome to the Rust Programming Language Internals Forum
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1
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43521
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July 7, 2014
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Doubly-exhaustive match statement
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4
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66
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November 15, 2025
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Contagious Traits
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0
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33
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November 15, 2025
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Rust syntax for Cell/RefCell
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10
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136
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November 15, 2025
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Pre-RFC: allow to merge inherent impl blocks in the HTML
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4
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385
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November 15, 2025
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Setting default/fallback for type that cannot be infered
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3
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159
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November 15, 2025
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Improving usability of having many nearly-identical methods
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9
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285
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November 14, 2025
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#[invariant]?
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22
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646
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November 14, 2025
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No interaction between let .. else and let chains?
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8
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367
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November 14, 2025
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Is `File::lock` really unsupported on Android?
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2
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268
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November 13, 2025
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Is it possible to "patching" a trait's implementation for a custom type?
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2
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236
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November 13, 2025
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[Pre-RFC] Emit Retags in Codegen
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0
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207
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November 11, 2025
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Is it correct to relax the variances of lifetimes of `thread::Scope` to contravariant?
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2
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352
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November 11, 2025
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Exclude .github and .gitignore from published packages by default?
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13
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319
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November 10, 2025
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Why try_fold (and similar functions) requires Self: Sized?
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2
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204
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November 10, 2025
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#[warn(unreachable_code)] warning on unreachable!()
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8
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342
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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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622
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November 10, 2025
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Proposal: Syntactic Sugar for Disambiguating Conflicting Trait Methods
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14
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436
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November 10, 2025
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Distributing x86-64 tier 1 with host tools v1–3 each
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19
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536
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November 9, 2025
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Discussion: Enhanced License Compliance for crates.io
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21
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612
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November 9, 2025
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Rust 1.91.1 pre-release testing
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0
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231
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November 7, 2025
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Bots are spamming users forum right now
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1
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282
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November 7, 2025
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A plan to move most of `std::io` to `alloc`
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7
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712
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November 7, 2025
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Pre-RFC: Mutually-excusive, global features
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51
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6937
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November 6, 2025
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[Pre-RFC]: IntoOwned trait that harmonizes Cow and ToOwned
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15
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856
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November 6, 2025
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Unstable API at doc.rust-lang.org/std?
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24
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865
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November 5, 2025
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Bit interleaving in std
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6
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397
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November 4, 2025
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Changing the default x86-64 compilation target to v2 or v3
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70
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3209
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November 4, 2025
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Is there a preparation for default lifetimes?
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7
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443
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November 4, 2025
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Case: A lazily evaluated self-referential type for the standard library
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7
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497
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November 3, 2025
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