Understanding map and apply | F# for fun and profit
Part of the "Map and Bind and Apply, Oh my!" series (link) In this series of posts, I’ll attempt to describe some of the core functions for dealing with generic data types (such as Option and List). This is a follow-up post to my talk on functional patterns. Yes, I know that I promised not to do this kind of thing, but for this post I thought I’d take a different approach from most people. Rather
Railway oriented programming | F# for fun and profit
UPDATE: Slides and video from a more comprehensive presentation available here (and if you understand the Either monad, read this first!). UPDATE 2: This is one of my most popular posts, and it is a useful approach to error handling, but please don’t overuse the idea! See my post on “Against Railway-Oriented Programming”. In the previous post, we saw how a use case could be broken into steps, and
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