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Purely Functional Data Structures
Published 5 hours ago
Description
Designed for programming languages that prohibit destructive updates, requiring specialized techniques like copying and sharing to achieve persistence, where old and new versions coexist. While basic structures can be adapted directly, others require advanced mechanisms like lazy evaluation to reconcile the conflict between amortization and persistence. By delaying computations until needed and memoizing the results, algorithms can maintain efficient amortized time bounds even when used persistently. Various data structures—such as leftist heaps, binomial heaps, red-black trees, and queues—demonstrate how to balance performance and functional constraints. Furthermore, analyzing these lazy data structures involves tracking unshared costs and managing debt, ensuring that complex operations remain efficient and predictable across multiple logical futures.
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You can listen and download our episodes for free on more than 10 different platforms:
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Get the Book now from Amazon:
https://www.amazon.com/dp/0521631246?lv=shuf&channelId=500&plpRedirect=mhFallback&linkCode=ll2&tag=cvthunderx-20&linkId=b64f406d0ad75bef7eace2ead89fa960&language=en_US&gaOptInStatus=true&ref_=as_li_ss_tl
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