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Welcome to the Rust Programming Language Internals Forum
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1
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44117
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July 7, 2014
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core::path::Path
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4
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198
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May 9, 2026
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Type inference failure when accessing a value before its type is resolved
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7
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205
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May 9, 2026
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[Pre-RFC] Peeking from Peekable with less unwrapping
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4
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330
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May 8, 2026
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[Pre-RFC] target-glibc: Proposal to add native support for GLIBC versions for the -gnu targets
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15
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472
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May 8, 2026
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Rustc lexer diagnostics feature request: Color highlight acceptable characters
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1
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155
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May 8, 2026
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Request: Provide an official way to *deprecate* a crate. NOT yank. Yank is stupid
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26
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1243
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May 8, 2026
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Sized (or Sizeable) str, e.g. str<const N: usize>
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10
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533
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May 8, 2026
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Pre-RFC: `pub(api)` visibility, and static enforcement of crate-internal API boundaries
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13
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680
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May 7, 2026
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[Pre-RFC] DNS domains as package namespaces
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68
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1733
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May 7, 2026
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`std::marker::PhantomUnsized` marker type
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5
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437
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May 6, 2026
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`BitSlice` or a sound way to implement one
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16
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875
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May 6, 2026
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Too strict orphan rules E0117
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4
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298
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May 6, 2026
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Mutation/Creation of HIR
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10
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427
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May 5, 2026
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(Immutably) borrowing custom emojis from rust-lang zulip
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2
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458
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May 5, 2026
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Is interning as a general primitive something that should be in the standard library?
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5
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326
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May 2, 2026
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[Discussion] Alternative syntax for async iteration: `for async i in stream`?
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6
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229
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May 2, 2026
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[Pre-RFC] BTF relocations
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23
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1261
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May 2, 2026
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Pre-RFC: Rustdoc LaTeX-style math
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9
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438
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May 1, 2026
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Adding LaTeX support to rustdoc
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30
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2076
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May 1, 2026
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[Pre-RFC] Proposal: bound Cargo's implicit upward discovery for config.toml files
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12
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373
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May 1, 2026
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Could collections hypothetically store keys and values inline?
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19
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778
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May 1, 2026
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Easily inspect dependencies
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8
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378
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April 29, 2026
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[Pre-RFC] `cargo package` should include fewer files by default
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38
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803
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April 28, 2026
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[Pre-RFC] A tiny internal change to `reverse`, `copy_from_slice`, `swap_with_slice`
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4
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444
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April 27, 2026
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I have idea for making rust more potable by clean architecture
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2
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259
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April 27, 2026
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[Discussion] A perspective on super let: could a related “lift” capability ever belong in Rust’s macro system?
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4
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420
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April 26, 2026
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On usage of Custom Allocators
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1
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226
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April 26, 2026
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Generic slice `replace`
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0
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192
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April 25, 2026
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Check-only Clippy & Fmt for CI/CD
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3
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163
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April 24, 2026
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