I'm not sure. If we're talking about turing complete languages, aside from performace, you can get all kinds of features in all kinds of languages. It's actually a matter of how expressive, safe, idiomatic and well designed they are for everyday usage.
When discussing a language which is defined by caching values, we sure do want to see how that looks like in practice.
When discussing a language which is defined by caching values, we sure do want to see how that looks like in practice.