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When printing impl headers in a diagnostic, the compiler has to account for `?Sized` implying `MetaSized` and new `MetaSized` and `PointeeSized` bounds.
20 lines
348 B
Rust
20 lines
348 B
Rust
#![feature(sized_hierarchy)]
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use std::marker::{MetaSized, PointeeSized};
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pub trait SizedTr {}
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impl<T: Sized> SizedTr for T {}
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pub trait NegSizedTr {}
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impl<T: ?Sized> NegSizedTr for T {}
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pub trait MetaSizedTr {}
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impl<T: MetaSized> MetaSizedTr for T {}
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pub trait PointeeSizedTr: PointeeSized {}
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impl<T: PointeeSized> PointeeSizedTr for T {}
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