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We all have pretty little things laying around in our codebases, yet, we seldom give them the same love
We all have pretty little things laying around in our codebases. They’re not exactly The Big Thing™, but they’re nice and useful nonetheless. They’re bits of specifications, or schemas, or even documentation. Yet, we seldom give them the same love we give to our actual code, and our poor little things just stay there, unloved and half-forgotten. But we can do better and give these things the love they deserve, by writing them “pretty little compilers”.
Let's take a look at the issues that enums have in Scala 2 and whether we found the Holy Grail with the introduction of Scala 3.
We will look into three less-understood, yet (arguably) extremely useful constructs introduced in Cats Effect 3: Dispatcher, Supervisor, IOLocal
Understanding the exact properties that disqualify a data type from being an instance of a given abstraction turns out to be surprisingly helpful
