[swiftcoder]

Oh good. We're reaching C++ levels of template metaprogramming.

[jcelerier]

C++ allows expressing that more concisely though :p https://twitter.com/Cor3ntin/status/1264600096869691392

[staticassertion]

That's because it's using constexpr. The equivalent in Rust would be const fn. This is using Rust traits.

The goal isn't to be concise, I think the goal is literally to just do it in the trait system