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[SR-6867] "Chunking" split #49416

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airspeedswift opened this issue Jan 29, 2018 · 1 comment
Open

[SR-6867] "Chunking" split #49416

airspeedswift opened this issue Jan 29, 2018 · 1 comment

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@airspeedswift
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airspeedswift commented Jan 29, 2018

Previous ID SR-6867
Radar None
Original Reporter @airspeedswift
Type New Feature
Additional Detail from JIRA
Votes 0
Component/s Standard Library
Labels New Feature, StarterProposal
Assignee None
Priority Medium

md5: d78e8d70fcb68ef04d5d9fac882fce1f

Issue Description:

It is possible to split a collection per element, but not by a count i.e. split an array into subsequences of length 3, or more generally any collection into subsequence of length n. There should be a ability to do this lazily for collections and eagerly for sequences.

@jckarter
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jckarter commented Feb 14, 2018

Along these lines, the "every adjacent n elements" split is frequently useful too, e.g. for [a, b, c, d, e], give [[a, b, c], [b, c, d], [c, d, e]] .

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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