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FPCA
1991
14 years 3 months ago
Functional Programming with Bananas, Lenses, Envelopes and Barbed Wire
We develop a calculus for lazy functional programming based on recursion operators associated with data type de nitions. For these operators we derive various algebraic laws that ...
Erik Meijer, Maarten M. Fokkinga, Ross Paterson
ICFP
1998
ACM
14 years 3 months ago
Fold and Unfold for Program Semantics
In this paper we explain how recursion operators can be used to structure and reason about program semantics within a functional language. In particular, we show how the recursion...
Graham Hutton