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| author | clubby789 <jamie@hill-daniel.co.uk> | 2024-01-14 00:24:39 +0000 |
|---|---|---|
| committer | clubby789 <jamie@hill-daniel.co.uk> | 2024-01-14 00:24:39 +0000 |
| commit | 4ca6342eb30dfbc3fe0992de0cfc780f3992f446 (patch) | |
| tree | 42888db0b5fdc8f4bffb6b6629c6d27aa5da3a11 /compiler/rustc_index_macros/src/lib.rs | |
| parent | d78329b92e8d141d19505e7c1527181c4ab87ed4 (diff) | |
| download | rust-4ca6342eb30dfbc3fe0992de0cfc780f3992f446.tar.gz rust-4ca6342eb30dfbc3fe0992de0cfc780f3992f446.zip | |
Add note on SpecOptionPartialEq to `newtype_index`
Diffstat (limited to 'compiler/rustc_index_macros/src/lib.rs')
| -rw-r--r-- | compiler/rustc_index_macros/src/lib.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_index_macros/src/lib.rs b/compiler/rustc_index_macros/src/lib.rs index ac374a41eb6..4f973c1f010 100644 --- a/compiler/rustc_index_macros/src/lib.rs +++ b/compiler/rustc_index_macros/src/lib.rs @@ -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", |