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15 lines
296 B
Rust
15 lines
296 B
Rust
trait Foo: Iterator<Item = i32, Item = i32> {}
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//~^ ERROR is already specified
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type Unit = ();
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fn test() -> Box<dyn Iterator<Item = (), Item = Unit>> {
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//~^ ERROR is already specified
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Box::new(None.into_iter())
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}
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fn main() {
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let _: &dyn Iterator<Item = i32, Item = i32>;
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test();
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}
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