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use async_trait::async_trait;
#[async_trait]
trait Foo {
async fn bar(&self, x: &str, y: &'_ str) -> &'static str;
}
struct S(String);
#[async_trait]
impl Foo for S {
async fn bar(&self, x: &str, y: &'_ str) -> &'static str {
if false {
&self.0
} else if false {
x
} else {
y
}
}
}
fn main() {}