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µKanren: A Minimal Functional Core for Relational Programming
Jason Hemann, Daniel P. Friedman
This paper presents µKanren, a minimalist language in the miniKanren family of relational (logic) programming languages. Its implementation comprises fewer than 40 lines of Scheme. We motivate the need for a minimalist miniKanren language, and iteratively develop a complete search strategy. Finally, we demonstrate that through sufficient user-level features one regains much of the expressiveness of other miniKanren languages. In our opinion its brevity and simple semantics make µKanren uniquely elegant.
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