[swift-evolution] [Pitch] Add the DefaultConstructible protocol to the standard library

[Dave Abrahams]

on Mon Dec 26 2016, Adam Nemecek <adamnemecek-AT-gmail.com> wrote:

> Why does Comparability also require Equatability?

That is a long story about utility and the relationship of strict-weak
orderings to total orderings that I'd love to explain someday... but
really, it has nothing to do with zero.

-- 
-Dave