tests/ui/inference/need_type_info/concrete-impl.rs


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trait Ambiguous<A> {
    fn method() {}
}

struct One;
struct Two;
struct Struct;

impl Ambiguous<One> for Struct {}
impl Ambiguous<Two> for Struct {}

fn main() {
    <Struct as Ambiguous<_>>::method();
    //~^ ERROR type annotations needed
    //~| ERROR type annotations needed
}