Macro rustc_feature::active::declare_features
source · macro_rules! declare_features { (__status_to_enum active) => { ... }; (__status_to_enum incomplete) => { ... }; (__status_to_enum internal) => { ... }; ($( $(#[doc = $doc:tt])* ($status:ident, $feature:ident, $ver:expr, $issue:expr, $edition:expr), )+) => { ... }; }