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The talk will cover basics of Profunctors, i.e. what are they and how they are useful. Andrzej will also explore the concept of profunctor transformations and how they can be used to model data accessors such as lenses, prisms and traversals.
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Andrzej Rybczak is a professional Haskell developer with 10 years of experience and author/contributor of multiple open source Haskell libraries used in production (notable examples: optics, log-base, hpqtypes). He has also contributed patches to GHC. His hobbies include walking among nature and dancing.