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Add note on SpecOptionPartialEq to newtype_index

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clubby789 2024-01-14 00:24:39 +00:00
parent d78329b92e
commit 4ca6342eb3
2 changed files with 4 additions and 0 deletions
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3
compiler/rustc_index_macros/src/lib.rs
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@ -31,6 +31,9 @@ mod newtype;
/// - `#[max = 0xFFFF_FFFD]`: specifies the max value, which allows niche
/// optimizations. The default max value is 0xFFFF_FF00.
/// - `#[gate_rustc_only]`: makes parts of the generated code nightly-only.
///
/// `SpecOptionPartialEq` is specialized by this macro, so using it requires enabling
/// `#![feature(min_specialization)]` for the crate.
#[proc_macro]
#[cfg_attr(
feature = "nightly",