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Welcome to the Rust Programming Language Internals Forum
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0
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44239
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June 25, 2014
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Code compiles on playground but fails when passed via stdin to rustc
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15
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564
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June 20, 2026
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".." in "use" statement
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9
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208
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June 20, 2026
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Should PGO automatically compile hot code O3 and cold code Oz?
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5
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451
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June 20, 2026
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Err automatic hint::cold_path?
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1
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140
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June 19, 2026
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Maybe a fix for error rounding behaviour of div_euclid
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8
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147
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June 19, 2026
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The Hashtable Problem: A Litmus Test for External Impl Proposals
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15
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539
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June 18, 2026
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Separating fetching from building for better security
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21
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697
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June 17, 2026
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[Pre-pre-RFC] "splatting" for named arguments and function overloading
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42
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2161
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June 16, 2026
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[Workable] Selectable Named impl with Newtype Wrapper
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0
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180
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June 16, 2026
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Parser error recovery in `syn` for better IDE support with proc-macros
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22
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660
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June 16, 2026
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Infinite precision intermediate arithmetic: how much would break?
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26
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979
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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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330
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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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869
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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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474
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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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681
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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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715
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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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283
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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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492
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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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2294
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June 9, 2026
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CUDA in rust
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6
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859
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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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628
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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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555
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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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240
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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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845
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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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250
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June 7, 2026
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Possibility of a "global time source" for wasm targets
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4
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268
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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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1794
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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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224
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June 2, 2026
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[Pre-RFC] BTF relocations
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26
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1803
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June 1, 2026
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