rust/tests/ui/traits/negative-impls/auxiliary/foreign_trait.rs

#![feature(negative_impls)]
#![feature(with_negative_coherence)]

pub trait ForeignTrait {}

impl ForeignTrait for u32 {}
impl !ForeignTrait for String {}
introduce `negative_impls` feature gate and document They used to be covered by `optin_builtin_traits` but negative impls are now applicable to all traits, not just auto traits. This also adds docs in the unstable book for the current state of auto traits. 2020-01-09 05:56:38 -05:00			`#![feature(negative_impls)]`
Properly check regions on negative overlap check 2022-02-02 14:36:45 -03:00			`#![feature(with_negative_coherence)]`
permit negative impls for non-auto traits 2020-01-08 06:39:38 -05:00
introduce `negative_impls` feature gate and document They used to be covered by `optin_builtin_traits` but negative impls are now applicable to all traits, not just auto traits. This also adds docs in the unstable book for the current state of auto traits. 2020-01-09 05:56:38 -05:00			`pub trait ForeignTrait {}`
permit negative impls for non-auto traits 2020-01-08 06:39:38 -05:00
introduce `negative_impls` feature gate and document They used to be covered by `optin_builtin_traits` but negative impls are now applicable to all traits, not just auto traits. This also adds docs in the unstable book for the current state of auto traits. 2020-01-09 05:56:38 -05:00			`impl ForeignTrait for u32 {}`
permit negative impls for non-auto traits 2020-01-08 06:39:38 -05:00			`impl !ForeignTrait for String {}`