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Welcome to the Rust Programming Language Internals Forum
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1
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43503
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July 7, 2014
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Why try_fold (and similar functions) requires Self: Sized?
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2
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16
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November 10, 2025
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Exclude .github and .gitignore from published packages by default?
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12
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164
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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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275
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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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504
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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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349
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November 10, 2025
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#[invariant]?
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2
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133
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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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502
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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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549
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November 9, 2025
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Is it correct to relax the variances of lifetimes of `thread::Scope` to contravariant?
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1
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221
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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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207
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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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227
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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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665
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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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6878
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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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836
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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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843
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November 5, 2025
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Bit interleaving in std
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6
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370
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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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3166
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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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414
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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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477
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November 3, 2025
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Support symbol versioning with #[export_name]
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9
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380
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November 3, 2025
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Making profiles more flexible and useful?
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7
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371
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November 3, 2025
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Implicit numeric widening/coercion proposal
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42
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973
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November 3, 2025
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FnPin and FnPinMut: closures that return borrows of their captures
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2
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231
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November 2, 2025
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Can irrefutable_let_pattern change to allow bindings that are used later in the if-let chain?
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2
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233
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November 1, 2025
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`impl Default` for generically sized arrays? (`[T; N]`)
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38
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2148
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October 31, 2025
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[algorithm] new float/double to string algorithm
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7
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241
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October 31, 2025
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Pre-RFC: allow to merge inherent impl blocks in the HTML
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3
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343
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October 31, 2025
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[idea] vec macro expand
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9
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389
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October 31, 2025
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Rust 1.91.0 pre-release testing
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0
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337
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October 28, 2025
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