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In type theory and functional programming, a stream is a potentially infinite analog of a list, given by the coinductive definition:[1][2]
data Stream α = Nil | Cons α (Stream α)
Generating and computing with streams requires lazy evaluation, either implicitly in a lazily evaluated language or by creating and forcing thunks in an eager language. In total languages they must be defined as codata and can be iterated over using (guarded) corecursion.
See also
editReferences
edit- ^ Yamagiwa, Shinichi (2022), Katoh, Naoki; Higashikawa, Yuya; Ito, Hiro; Nagao, Atsuki (eds.), "Stream-Based Lossless Data Compression", Sublinear Computation Paradigm: Algorithmic Revolution in the Big Data Era, Singapore: Springer, pp. 391–410, doi:10.1007/978-981-16-4095-7_16, ISBN 978-981-16-4095-7
- ^ Sangma, Jerry W.; Sarkar, Mekhla; Pal, Vipin; Agrawal, Amit; Yogita (2022-04-01). "Hierarchical clustering for multiple nominal data streams with evolving behaviour". Complex & Intelligent Systems. 8 (2): 1737–1761. doi:10.1007/s40747-021-00634-0. ISSN 2198-6053.
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