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remove unnecessary bound on Zip specialization impl #88789

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Oct 20, 2021
Merged

remove unnecessary bound on Zip specialization impl #88789

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8 changes: 2 additions & 6 deletions library/core/src/iter/adapters/zip.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -429,13 +429,9 @@ where
}
}

// Since SourceIter forwards the left hand side we do the same here
#[unstable(issue = "none", feature = "inplace_iteration")]
// Limited to Item: Copy since interaction between Zip's use of TrustedRandomAccess
// and Drop implementation of the source is unclear.
//
// An additional method returning the number of times the source has been logically advanced
// (without calling next()) would be needed to properly drop the remainder of the source.
unsafe impl<A: InPlaceIterable, B: Iterator> InPlaceIterable for Zip<A, B> where A::Item: Copy {}
unsafe impl<A: InPlaceIterable, B: Iterator> InPlaceIterable for Zip<A, B> {}

#[stable(feature = "rust1", since = "1.0.0")]
impl<A: Debug, B: Debug> Debug for Zip<A, B> {
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