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// run-pass
#![allow(dead_code)]
#![allow(unused_variables)]
// pretty-expanded FIXME #23616
struct Foo<'a> {
listener: Box<dyn FnMut() + 'a>,
}
impl<'a> Foo<'a> {
fn new<F>(listener: F) -> Foo<'a> where F: FnMut() + 'a {
Foo { listener: Box::new(listener) }
}
}
fn main() {
let a = Foo::new(|| {});
}
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