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InfoQ Homepage Presentations The Mapping Dilemma

The Mapping Dilemma

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Summary

David Nolen critiques the tools, languages and methodologies used today from the perspective of solving the “mapping dilemma”, introducing match, a pattern matching library for Clojure.

Bio

David Nolen is a JavaScript developer at The New York Times. He is the main developer of the Clojure Contrib library core.logic, a Prolog-like logic engine, and match, an optimizing pattern match compiler. He loves hacking at the intersection between object oriented, functional, and logic programming paradigms.

About the conference

Strange Loop is a multi-disciplinary conference that aims to bring together the developers and thinkers building tomorrow's technology in fields such as emerging languages, alternative databases, concurrency, distributed systems, mobile development, and the web.

Recorded at:

Dec 15, 2011

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Community comments

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    by Alex Miller /

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  • Fun talk

    by peter lin /

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    Thanks for posting the talk. As a fan of LISP and logic programming, it's nice to see people study and apply it.

  • Good talk

    by Duraid Duraid /

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    It's fascinating to see how it is possible to add pattern matching, which is a built-in feature in some languages like F#, to clojure with 1200 loc in one month. This shows how clojure is amazingly open for extension.

    I have a comment about the answer at the end of the talk which was about how pattern matching is closed for extension because it's not possible to add more clauses later and how the presenter is thinking about ways to solve that. But isn't that what polymorphism is for which is like and open ended pattern matching?

    Two thumbs up for the presentation style, you know, quote of Alan Kay, a french guy wearing arabic keffiyeh. Well done.

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