| // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| 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 |
| |
| 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 |
| } |