28 lines
711 B
Rust
28 lines
711 B
Rust
#![feature(staged_api)]
|
|
|
|
#[stable(feature = "x", since = "1")]
|
|
struct StableType;
|
|
|
|
#[unstable(feature = "x", issue = "none")]
|
|
struct UnstableType;
|
|
|
|
#[stable(feature = "x", since = "1")]
|
|
trait StableTrait {}
|
|
|
|
#[unstable(feature = "x", issue = "none")]
|
|
trait UnstableTrait {}
|
|
|
|
#[unstable(feature = "x", issue = "none")]
|
|
impl UnstableTrait for UnstableType {}
|
|
|
|
#[unstable(feature = "x", issue = "none")]
|
|
impl StableTrait for UnstableType {}
|
|
|
|
#[unstable(feature = "x", issue = "none")]
|
|
impl UnstableTrait for StableType {}
|
|
|
|
#[unstable(feature = "x", issue = "none")]
|
|
//~^ ERROR an `#[unstable]` annotation here has no effect [rustc::ineffective_unstable_trait_impl]
|
|
impl StableTrait for StableType {}
|
|
|
|
fn main() {}
|