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- pub fn main() {
- struct I {}
- impl std::iter::Iterator for I {
- type Item = u8;
- fn next(&mut self) -> Option<Self::Item> {
- Some(0)
- }
- }
- struct S {}
- impl std::iter::IntoIterator for S {
- type Item = u8;
- type IntoIter = I;
- fn into_iter(self) -> Self::IntoIter {
- unimplemented!()
- }
- }
- for _ in (S {}) {
- }
- }
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