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Welcome to the Rust Programming Language Internals Forum
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0
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44225
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June 25, 2014
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Infinite precision intermediate arithmetic: how much would break?
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26
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827
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June 14, 2026
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Why can't pat_param be followed by a colon in macro_rules?
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4
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243
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June 13, 2026
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The Hashtable Problem: A Litmus Test for External Impl Proposals
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11
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276
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June 13, 2026
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Add new reserved lifetime: 'owned
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14
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784
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June 13, 2026
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Named impl with Implementation Selection Variant
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10
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430
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June 13, 2026
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Separating fetching from building for better security
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13
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326
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June 13, 2026
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Pre-RFC: Guarantee that pointers to `OsStr` has the same layout as pointers to `str`/`[u8]`
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6
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646
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June 12, 2026
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Code compiles on playground but fails when passed via stdin to rustc
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9
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309
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June 12, 2026
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Pre-RFC: Explicit overload sets for mixed-arity function calls
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17
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694
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June 11, 2026
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Why is strict_div implemented in terms of overflowing_div for signed integers?
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1
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262
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June 10, 2026
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RACE: Semantic-linker approach to stable cross-crate ABI without runtime overhead
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6
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481
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June 9, 2026
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Pliron: MLIR, But Native Rust
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7
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2255
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June 9, 2026
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CUDA in rust
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6
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839
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June 9, 2026
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[Discussion] Alternative syntax for async iteration: `for async i in stream`?
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8
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609
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June 8, 2026
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Idea: light weight rust as zero build scripting language with JIT runtime
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7
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535
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June 8, 2026
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For structs that have fields that have only one possible representation, enums should use that field as the discriminant
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5
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226
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June 8, 2026
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Make `#[derive(Copy)]` enough for both `Clone` and `Copy`
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26
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819
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June 7, 2026
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Compiling rust app with relibc
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1
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236
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June 7, 2026
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Parser error recovery in `syn` for better IDE support with proc-macros
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21
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552
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June 4, 2026
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Possibility of a "global time source" for wasm targets
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4
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258
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June 3, 2026
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Include racy reads in Rust memory model with `MaybeInvalid<T>`
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49
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1772
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June 2, 2026
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[Pre-RFC] Flow-Directed Monomorphization Collection in MIR
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2
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216
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June 2, 2026
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[Pre-RFC] BTF relocations
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26
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1779
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June 1, 2026
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Wasm32: Rust should not spill v128 function params into shadow stack
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5
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670
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May 31, 2026
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Crowdsourcing request: What syntax changes that will affect the AST are currently in flight?
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8
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517
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May 30, 2026
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Warning users when lacking a Clone impl due to imperfect derive
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3
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686
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May 29, 2026
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Pre-RFC improved ergonomics for `!`
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19
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1152
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May 27, 2026
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Pre-RFC: Unsafe traits conditionally depending on safe trait behaviour
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6
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326
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May 27, 2026
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Rust 1.96.0 pre-release testing
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7
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498
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May 26, 2026
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