Spider Spinning for Dummies
Richard S. Bird
Abstract
Spider spinning is a snappy name for the problem of listing the ideals of a totally acyclic poset in such a way that each ideal is computed from its predecessor in constant time. Such an algorithm is said to be loopless. Our aim in these lectures is to show how to calculate a loopless algorithm for spider spinning. The calculation makes use of the fundamental laws of functional programming and the real purpose of the exercise is to show these laws in action.
Book Title
Advanced Functional Programming
Editor
Pieter W. M. Koopman and Rinus Plasmeijer and S. Doaitse Swierstra
Pages
39−65
Publisher
Springer
Series
Lecture Notes in Computer Science
Volume
5832
Year
2008