27 lines
473 B
Rust
27 lines
473 B
Rust
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// edition: 2021
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trait Foo {
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type T;
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async fn foo(&self) -> Self::T;
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}
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struct Bar;
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impl Foo for Bar {
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type T = ();
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async fn foo(&self) {}
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//~^ ERROR type annotations needed: cannot satisfy `<Bar as Foo>::T == ()`
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}
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impl Foo for Bar {
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//~^ ERROR conflicting implementations of trait `Foo` for type `Bar`
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type T = ();
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async fn foo(&self) {}
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//~^ ERROR type annotations needed: cannot satisfy `<Bar as Foo>::T == ()`
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}
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fn main() {}
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