14 lines
250 B
Rust
14 lines
250 B
Rust
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#![feature(return_position_impl_trait_in_trait)]
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#![allow(incomplete_features)]
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trait Foo {
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fn bar() -> impl std::fmt::Display;
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}
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impl Foo for () {
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fn bar() -> () {}
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//~^ ERROR `()` doesn't implement `std::fmt::Display`
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}
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fn main() {}
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