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// build-pass
// compile-flags: -Zpolymorphize=on -Csymbol-mangling-version=v0
pub(crate) struct Foo<'a, I, E>(I, &'a E);
impl<'a, I, T: 'a, E> Iterator for Foo<'a, I, E>
where
I: Iterator<Item = &'a (T, E)>,
{
type Item = T;
fn next(&mut self) -> Option<Self::Item> {
self.find(|_| true)
}
}
fn main() {
let mut a = Foo([(1u32, 1u16)].iter(), &1u16);
let mut b = Foo([(1u16, 1u32)].iter(), &1u32);
let _ = a.next();
let _ = b.next();
}
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