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struct S1<T>(T) where (T): ?Sized;
//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
struct S2<T>(T) where u8: ?Sized;
//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
struct S3<T>(T) where &'static T: ?Sized;
//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
trait Trait<'a> {}
struct S4<T>(T) where for<'a> T: ?Trait<'a>;
//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
//~| WARN default bound relaxed for a type parameter
struct S5<T>(*const T) where T: ?Trait<'static> + ?Sized;
//~^ ERROR type parameter has more than one relaxed default bound
//~| WARN default bound relaxed for a type parameter
impl<T> S1<T> {
fn f() where T: ?Sized {}
//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
}
fn main() {
let u = vec![1, 2, 3];
let _s: S5<[u8]> = S5(&u[..]); // OK
}
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