Module itertools::diff

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“Diff“ing iterators for caching elements to sequential collections without requiring the new elements’ iterator to be Clone.

  • Diff (produced by the diff_with function) describes the difference between two non-Clone iterators I and J after breaking ASAP from a lock-step comparison.

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  • Compares every element yielded by both i and j with the given function in lock-step and returns a Diff which describes how j differs from i.