Arialdo on Code

Write commit messages before coding.

You want to invent a new language, and you want to do this in F#, don’t you?

I’m addicted to consult.el.

I promised myself to write a Tree-sitter major mode for F#.

How an innocuous Kata shows that either emergent design does not exist, or that a better way of doing TDD is possible.

Summaries From Matteo Vaccari: There’s no easy way to evolve the hardcoded values into general code.

Let’s develop squint a little package for controlling the font height, so you won’t need to squint your eyes when you are on smaller screens.

Ever wondered why parametric tests in xUnit are called “theories”?

Index Source code: github.com/arialdomartini/state-monad-for-the-rest-of-us In chapter 7, when we wanted to introduce a new type for the result value of index we got to this: // Tree a -> (Int -> (Tree (a, Int), Int)) let rec index = function | Le…

Index Source code: github.com/arialdomartini/state-monad-for-the-rest-of-us Binary Trees Our journey starts with this problem: we want to count the number of leaves of an arbitrary Binary Tree.