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update docs of missing_abi lint

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Kalle Wachsmuth 2024-09-02 23:51:22 +02:00
parent bd53aa3bf7
commit 0c45d3bb70
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1 changed files with 7 additions and 5 deletions
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12
compiler/rustc_lint_defs/src/builtin.rs
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@ -3706,7 +3706,7 @@
declare_lint! {
/// The `missing_abi` lint detects cases where the ABI is omitted from
/// extern declarations.
/// `extern` declarations.
///
/// ### Example
///
@ -3720,10 +3720,12 @@
///
/// ### Explanation
///
/// Historically, Rust implicitly selected C as the ABI for extern
/// declarations. We expect to add new ABIs, like `C-unwind`, in the future,
/// though this has not yet happened, and especially with their addition
/// seeing the ABI easily will make code review easier.
/// For historic reasons, Rust implicitly selects `C` as the default ABI for
/// `extern` declarations. [Other ABIs] like `C-unwind` and `system` have
/// been added since then, and especially with their addition seeing the ABI
/// easily makes code review easier.
///
/// [Other ABIs]: https://doc.rust-lang.org/reference/items/external-blocks.html#abi
pub MISSING_ABI,
Allow,
"No declared ABI for extern declaration"