Orthogonal Functional Architecture

March 30th 2018 15:00 - 15:50

Well-architected libraries for functional programming are at once immensely beautiful and practical. They are simple but extraordinarily powerful, helping users solve their problems by snapping together Lego-like building blocks, each of which has just one purpose. Yet, there is a surprising dearth of material on how developers can construct their own well-architected functional code. Many functional programming tutorials talk discuss type safety and making illegal states unrepresentable, but few speak on the subject of good functional interface design.
In this presentation, John A. De Goes takes to the stage to discuss a nebulous and underrated tool in the arsenal of every functional programmer. Called *orthogonality*, this tool allows programmers to craft the building blocks of their functional code at "right angles", so so they can be reasoned about simply and composed predictably to solve complex problems. John introduces the concept of orthogonality, looking at its geometric and algebraic origins, presents a way to measure orthogonality, and then walks through a number of interface examples, comparing non-orthogonal designs with orthogonal ones.
By the end of the session, attendees should have a newfound appreciation for how important orthogonality is to constructing good functional interfaces, and they should develop the early stages of an intuition about how to slice up a complex problem into core, single-purpose, composable building blocks.

John A. De Goes avatar
John A. De Goes

John A. De Goes has been functional programming for more than seven years at multiple companies, and has assembled world-renowned Scala and PureScript engineering teams, trained new developers in Scala and PureScript, and developed several successful open source FP projects. Known for his ability t...

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