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// run-pass
use std::fmt::Debug;
trait InTraitDefnParameters {
fn in_parameters(_: impl Debug) -> String;
}
impl InTraitDefnParameters for () {
fn in_parameters(v: impl Debug) -> String {
format!("() + {:?}", v)
}
}
fn main() {
let s = <() as InTraitDefnParameters>::in_parameters(22);
assert_eq!(s, "() + 22");
}
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