Then mathematical neatness became a goal and led to pruning some features from the core of the language.
— John McCarthy, History of Lisp
If you prefer programming languages with a tidy and tiny core, you're in for a treat. This article drills down to the singleton primitive at the heart of Raku's metamodel ("model of a model") of a model of computation ("how units of computations, memories, and communications are organized")1.
It began with u/faiface's reddit post/thread "I'm impressed with Raku"2. One of their sentences in particular stood out for me: