I like Swift. We’re using it for new products like Linea, which was written from the ground up with the new syntax. In spite of this, I still consider the language harmful. The best way to understand the issues is by imagining that you’re an iOS developer... (more…)

Compilers are some of the most fascinating programs because they touch every aspect of Computer Science, from CLI and API design to calling conventions and platform-specific optimizations. Yet, many developers have a fearful reverence for them that makes ...

The necessary metaphor 🌯🌯🌯Let’s say that you world at a teddy bear factory. Your boss comes and tells you to remove all the faulty teddy bears from the line ... (more…)

Value types and reference types are the core concepts in Swift. Let's study what are value and reference semantics; how Swift structs and classes are stored in memory; compare Swift structs and classes performance and suggest when to use what. (more…)

I was sad to hear John Conway had recently died of COVID-19. Conway was a mathematician who contributed much to his field, but for me as a computer scientist, I knew of him for his Game of Life (aka just Life). (more…)