mirror of https://github.com/rust-lang/rust
13 lines
327 B
Rust
13 lines
327 B
Rust
trait Trait {}
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impl Trait for () {}
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fn foo<T: Trait, U: Trait>() -> impl Trait {
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//~^ WARN function cannot return without recursing [unconditional_recursion]
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let a: T = foo::<T, U>();
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loop {}
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let _: T = foo::<U, T>();
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//~^ ERROR concrete type differs from previous defining opaque type use
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}
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fn main() {}
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