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Functional Pearls A symmetric set of efficient list operations

Part of: JFP Research Articles

Published online by Cambridge University Press:  07 November 2008

Rob R. Hoogerwoord
Rob R. Hoogerwoord
Affiliation:
Department of Mathematics and Computing Science, Eindhoven University of Technology, PO Box 513, 5600 M B Eindhoven, The Netherlands
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In this paper we show that it is possible to implement a symmetric set of finite-list operations efficiently; the set is symmetric in the sense that lists can be manipulated at either end. We derive the definitions of these operations from their specifications by calculation. The operations have O(1) time complexity, provided that we content ourselves with, so-called, amortized efficiency, instead of worst-case efficiency

Type
Articles
Information
Journal of Functional Programming , Volume 2 , Issue 4 , October 1992 , pp. 505 - 513
Copyright
Copyright © Cambridge University Press 1992

References

Gries, D. 1981. The Science of Programming. Springer-Verlag.CrossRefGoogle Scholar
Tarjan, R. E. 1985. Amortized computational complexity. SIAM J. on Algebraic and Discrete Methods, 6: 306–318.CrossRefGoogle Scholar
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