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