I think I know what you're trying to say: Cargo's existence means that each of the platform-specific variations can be packaged up into a single library, and th

I think I know what you're trying to say: Cargo's existence means that each of the platform-specific variations can be packaged up into a single library, and that library becomes the de facto standard. It's a higher bar than "just about any language supports abstraction". It fits more into a Pythonic world-view where there's a one-size-fits-all standard library mentality.