1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 struct S1<T>(T) where (T): ?Sized;
12 //~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
14 struct S2<T>(T) where u8: ?Sized;
15 //~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
17 struct S3<T>(T) where &'static T: ?Sized;
18 //~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
22 struct S4<T>(T) where for<'a> T: ?Trait<'a>;
23 //~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
25 struct S5<T>(*const T) where T: ?Trait<'static> + ?Sized;
26 //~^ ERROR type parameter has more than one relaxed default bound
27 //~| WARN default bound relaxed for a type parameter
30 fn f() where T: ?Sized {}
31 //~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
35 let u = vec![1, 2, 3];
36 let _s: S5<[u8]> = S5(&u[..]); // OK