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it unlocks many cool features!
- struct S { }
- fn f<'a, T: Iterator<Item=&'a S>>(it: T) -> Vec<&'a S> {
- it.collect::<Vec<_>>()
- }
- fn main() {
- let v = vec![S{}, S{}];
- f(v.iter());
- f(v.iter());
- }
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