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Welcome to the Rust Programming Language Internals Forum
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1
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42943
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July 7, 2014
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What happens for each optimization level?
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2
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43
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June 17, 2025
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A new function to pick elements from structures like vectors, arrays, etc
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6
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323
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June 16, 2025
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Add `thiserror::Error` proc macro to `std::prelude`
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10
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557
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June 16, 2025
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Specialization of base impls with `'static` requirements
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0
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148
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June 15, 2025
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Pre-RFC: Allow Custom Syntax Parsing for Attribute Macro Inputs
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1
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174
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June 14, 2025
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[Feature Request] rustdoc: Support Markdown
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4
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368
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June 14, 2025
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Add `map` for `NonZero` types?
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1
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183
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June 14, 2025
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[Pre-RFC] Markdown alerts for documentation
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3
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237
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June 14, 2025
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repr(C) AIX Struct Alignment
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61
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1692
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June 13, 2025
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Discussion: Adding grammar information to Procedural Macros for proper custom syntax support in the toolchain
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35
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1523
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June 13, 2025
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Deprecating having both `src/lib.rs` and `src/main.rs` in the same package
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29
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1366
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June 13, 2025
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Side-discussion (comparing `foo.rs` vs `foo/mod.rs` & more) from “Deprecating having both `src/lib.rs` and `src/main.rs` in the same package”
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40
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427
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June 13, 2025
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Misusing v2 `Try` and `?` to make unit tests nicer
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3
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312
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June 13, 2025
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Check & warn against license bait-and-switch
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3
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347
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June 12, 2025
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[Feature Request] Extendable Enums
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3
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318
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June 12, 2025
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[Pre-RFC] Reborrow trait
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28
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1311
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June 9, 2025
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`Vec::reserve()` amortization guarantees in loops
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1
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311
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June 8, 2025
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How to achieve Compile Time reflection in next ten thousand years
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3
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633
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June 8, 2025
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Unicode vs. Rust definition of newline for source text
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6
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352
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June 8, 2025
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Perform lifetime shortening on literal patterns with mutable destructuring
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1
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166
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June 8, 2025
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Unicode whitespace footguns
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8
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289
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June 7, 2025
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Declarative (macro_rules!) macro improvements #252
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0
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139
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June 7, 2025
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Report on variadic generics discussions at RustWeek 2025
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0
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203
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June 7, 2025
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What prevents Rust from making slices FFI safe?
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6
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365
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June 6, 2025
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Idea: Dedented string literals
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20
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1182
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June 6, 2025
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[idea] Higher-Rank Type bounds
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7
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278
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June 6, 2025
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Higher-ranked trait bounds with constants, variadic generics, heterogeneous iteration, tuple indexing
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1
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189
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June 6, 2025
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Pre-RFC: FnStatic
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28
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1278
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June 4, 2025
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Optimize generic functions for MIR by the compiler
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1
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210
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June 3, 2025
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