7 impl<'b, P> Wrap<'b> for Wrapper<P>
9 <P as Process<'b>>::Item: Iterator {
14 pub trait Process<'a> {
19 fn push_process<P>(process: P) where P: Process<'static> {
20 let _: Box<dyn for<'b> Wrap<'b>> = Box::new(Wrapper(process));
21 //~^ ERROR is not an iterator