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The Verse Calculus: A Core Calculus for Deterministic Functional Logic Programming

delete2023-08-31
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DOI:10.1145/3607845delete
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Abstract

Abstract

En 中文
Functional logic languages have a rich literature, but it is tricky to give them a satisfying semantics. In this paper we describe the Verse calculus, VC, a new core calculus for deterministic functional logic programming. Our main contribution is to equip VC with a small-step rewrite semantics, so that we can reason about a VC program in the same way as one does with lambda calculus; that is, by applying successive rewrites to it. We also show that the rewrite system is confluent for well-behaved terms.

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