17 lines
534 B
Rust
17 lines
534 B
Rust
#![feature(negative_impls)]
|
|
#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
|
|
|
|
struct S;
|
|
struct Z;
|
|
|
|
default impl S {} //~ ERROR inherent impls cannot be `default`
|
|
|
|
default unsafe impl Send for S {} //~ ERROR impls of auto traits cannot be default
|
|
default impl !Send for Z {} //~ ERROR impls of auto traits cannot be default
|
|
//~^ ERROR negative impls cannot be default impls
|
|
|
|
trait Tr {}
|
|
default impl !Tr for S {} //~ ERROR negative impls cannot be default impls
|
|
|
|
fn main() {}
|