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https://github.com/rust-lang/rust
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14 lines
253 B
Rust
14 lines
253 B
Rust
#![feature(unsize)]
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use std::marker::Unsize;
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use std::ops::Deref;
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trait Foo: Bar {}
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trait Bar {}
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impl<T> Bar for T where dyn Foo: Unsize<dyn Bar> {}
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impl Bar for () {}
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//~^ ERROR conflicting implementations of trait `Bar` for type `()`
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fn main() {}
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