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An Intuitive Guide to Combining Free Monad and Free Applicative

YOW! Lambda Jam 2018

The usage of Free Monads is becoming more well understood, however the lesser known Free Applicative is still somewhat of a mystery to the average functional programmer. In this talk I will explain how you can combine the power of both these constructs in an intuitive and visual manner. You will learn the motivations for using Free Structures in the first place, how we can build up a complex domain, how we can introduce parallelism into our domain and a bunch of other practical tips for designing programs with these structures. This will also give you a deeper understanding of what libraries like Freestyle are doing under the hood and why it is so powerful.