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Category Archives: algebra
Functional APIs: an OOP approach to FP
In the series of posts about the essence of functional programming, we’ve already seen how we can build purely declarative programs using GADTs. This is a picture of what we got (using more standard cats/scalaz data types): This program above … Continue reading
Posted in algebra, functional programming, Scala, Type Class
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Lens, State Is Your Father
In our last post, we introduced IOCoalgebras as an alternative way of representing coalgebras from an algebraic viewpoint, where Lens was used as a guiding example. In fact, lens is an abstraction that belongs to the group of Optics, a … Continue reading
Posted in algebra, coalgebra, Lens, Optics, State, Type Class
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