Web Reference: In computing, a persistent data structure or not ephemeral data structure is a data structure that always preserves the previous version of itself when it is modified. Jul 23, 2025 · A persistent data structure is a data structure that always preserves the previous version of itself when it is modified. They can be considered as ‘immutable’ as updates are not in-place. One natural way to make a data structure persistent is to add a modification history to every node. Thus, each node knows what its value was at any previous point in time. (For a fully persistent structure, each node would hold a version tree, not just a version history.)
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Persistent Data Structure Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $20M - $64M
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Last Updated: April 6, 2026
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