Ensure `chunked(by:)` always compares consecutive elements

apple / swift-algorithms

Commonly used sequence and collection algorithms for Swift

Apache License 2.0

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Closed timvermeulen closed 3 years ago

timvermeulen commented 3 years ago

Fixes #161.

[a, b, c, d].chunked(by: { print($0, $1); return true })
// previous behavior: (a, b), (a, c), (a, d)
// correct behavior:  (a, b), (b, c), (c, d)

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timvermeulen commented 3 years ago

@swift-ci Please test