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