mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-28 17:53:56 +00:00
21 lines
518 B
Rust
21 lines
518 B
Rust
|
// revisions: current next
|
||
|
//[next] compile-flags: -Ztrait-solver=next
|
||
|
|
||
|
#![feature(rustc_attrs)]
|
||
|
|
||
|
#[rustc_deny_explicit_impl(implement_via_object = true)]
|
||
|
trait YesObject {}
|
||
|
|
||
|
#[rustc_deny_explicit_impl(implement_via_object = false)]
|
||
|
trait NotObject {}
|
||
|
|
||
|
fn test_yes_object<T: YesObject + ?Sized>() {}
|
||
|
|
||
|
fn test_not_object<T: NotObject + ?Sized>() {}
|
||
|
|
||
|
fn main() {
|
||
|
test_yes_object::<dyn YesObject>();
|
||
|
test_not_object::<dyn NotObject>();
|
||
|
//~^ ERROR the trait bound `dyn NotObject: NotObject` is not satisfied
|
||
|
}
|