| // Copyright 2014 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. |
| |
| #![allow(type_alias_bounds)] |
| #![allow(dead_code)] |
| // Test syntax checks for `?Sized` syntax. |
| |
| use std::marker::PhantomData; |
| |
| trait T1 { } |
| pub trait T2 { } |
| trait T3<X: T1> : T2 { } |
| trait T4<X: ?Sized> { } |
| trait T5<X: ?Sized, Y> { } |
| trait T6<Y, X: ?Sized> { } |
| trait T7<X: ?Sized, Y: ?Sized> { } |
| trait T8<X: ?Sized+T2> { } |
| trait T9<X: T2 + ?Sized> { } |
| struct S1<X: ?Sized>(PhantomData<X>); |
| enum E<X: ?Sized> { E1(PhantomData<X>) } |
| impl <X: ?Sized> T1 for S1<X> {} |
| fn f<X: ?Sized>() {} |
| type TT<T: ?Sized> = T; |
| |
| pub fn main() { |
| } |
