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fuchsia / third_party / rust / 2f5655741808cf4dd049984570a14d811f08fe29
commit2f5655741808cf4dd049984570a14d811f08fe29[log] [tgz]
authorJubilee <workingjubilee@gmail.com>Fri Jun 13 20:59:18 2025 -0700
committerGitHub <noreply@github.com>Fri Jun 13 20:59:18 2025 -0700
tree87e369053973498cdd94c78b28bfbd960c1cd206
parentfa359f66a17d46a5fa10782c5d9a385a1f60c4f2 [diff]
parent527f35a28f2661e40b1b6824103861312f3a188d [diff]
Rollup merge of #142439 - scrabsha:rust/sasha/uwkqrkztvqry, r=RalfJung

doc: mention that intrinsics should not be called in user code

Intrinsic functions declared in `std::intrinsics` are an implementation detail and should not be called directly by the user. The compiler explicitly warns against their use in user code:

```
warning: the feature `core_intrinsics` is internal to the compiler or standard library
 --> src/lib.rs:1:12
  |
1 | #![feature(core_intrinsics)]
  |            ^^^^^^^^^^^^^^^
  |
  = note: using it is strongly discouraged
  = note: `#[warn(internal_features)]` on by default
```

[**Playground link**]

This PR documents what the compiler warning says: these intrinsics should not be used in user code.

[**Playground link**]: https://play.rust-lang.org/?version=nightly&mode=debug&edition=2024&gist=1c893b0698291f550bbdde0151fd221b
tree: 87e369053973498cdd94c78b28bfbd960c1cd206
  1. .github/
  2. compiler/
  3. library/
  4. LICENSES/
  5. src/
  6. tests/
  7. .clang-format
  8. .editorconfig
  9. .git-blame-ignore-revs
  10. .gitattributes
  11. .gitignore
  12. .gitmodules
  13. .ignore
  14. .mailmap
  15. bootstrap.example.toml
  16. Cargo.lock
  17. Cargo.toml
  18. CODE_OF_CONDUCT.md
  19. configure
  20. CONTRIBUTING.md
  21. COPYRIGHT
  22. INSTALL.md
  23. LICENSE-APACHE
  24. license-metadata.json
  25. LICENSE-MIT
  26. README.md
  27. RELEASES.md
  28. REUSE.toml
  29. rust-bors.toml
  30. rustfmt.toml
  31. triagebot.toml
  32. x
  33. x.ps1
  34. x.py
README.md

Website | Getting started | Learn | Documentation | Contributing

This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.

Why Rust?

  • Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

  • Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

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Read “Installation” from The Book.

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See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.

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