[swift-evolution] Support for newtype feature/typesafe calculations

[davesweeris at mac.com]

The list of SI Units (https://en.wikipedia.org/wiki/International_System_of_Units#Units_and_prefixes) is probably a pretty good target. Might be a bit much to bite off all at once, though.

> On Jan 7, 2016, at 09:25, James Campbell via swift-evolution <swift-evolution at swift.org> wrote:
> 
> I understand, I want to keep prototyping this with other units to see what insight I can achieve.
> 
> Do we have a list of units we would like to model to serve as a suite of tests and also to test any implementation we may need ?