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// check-pass
#![allow(dead_code)]
struct Foo<T>(T);
struct IntoIter<T>(T);
impl<'a, T: 'a> Iterator for IntoIter<T> {
type Item = ();
fn next(&mut self) -> Option<()> {
None
}
}
impl<T> IntoIterator for Foo<T> {
type Item = ();
type IntoIter = IntoIter<T>;
fn into_iter(self) -> IntoIter<T> {
IntoIter(self.0)
}
}
fn main() {}
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