Unstable Issue Tracker

[KodrAus]

• #![feature(stmt_expr_attributes)]: Tracking issue for stmt_expr_attributes: Add attributes to expressions, etc. rust-lang/rust#15701 used for #[emit::as_*] attributes
• #![feature(proc_macro_hygiene)]: Tracking issue for procedural macros and "hygiene 2.0" rust-lang/rust#54727 used for #[emit::as_*] attributes
• #![feature(min_specialization)]: Tracking issue for specialization (RFC 1210) rust-lang/rust#31844 used to capture values. Could possibly be removed for dyn Trait and made nightly only if it doesn't change the set of accepted values
• #![feature(extern_types)]: Tracking issue for RFC 1861: Extern types rust-lang/rust#43467 could be replaced by empty enums