mirror of https://github.com/rust-lang/rust
16 lines
464 B
Rust
16 lines
464 B
Rust
//@ compile-flags: -Znext-solver
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// In the new solver, we are trying to select `<?0 as Iterator>::Item: Debug`,
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// which, naively can be unified with every impl of `Debug` if we're not careful.
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// This test makes sure that we treat projections with inference var substs as
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// placeholders during fast reject.
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fn iter<T: Iterator>() -> <T as Iterator>::Item {
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todo!()
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}
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fn main() {
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println!("{:?}", iter::<_>());
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//~^ ERROR type annotations needed
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}
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