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For-Each Operations in Collaborative Apps

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arxiv 2304.03141 v1 pith:K5UTZU6L submitted 2023-04-06 cs.DC

classification cs.DC
keywords collaborativefor-eachoperationappscrdtcrdtsdatalist
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Conflict-free Replicated Data Types (CRDTs) allow collaborative access to an app's data. We describe a novel CRDT operation, for-each on the list of CRDTs, and demonstrate its use in collaborative apps. Our for-each operation applies a given mutation to each element of a list, including elements inserted concurrently. This often preserves user intention in a way that would otherwise require custom CRDT algorithms. We give example applications of our for-each operation to collaborative rich-text, recipe, and slideshow editors.

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