| //@ run-pass | |
| #![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() { | |
| } |