[swift-evolution] It's the little things..

Wed Dec 14 13:28:01 CST 2016

> On Dec 14, 2016, at 11:08 AM, David Sweeris via swift-evolution <swift-evolution at swift.org> wrote:
>  I'll be curious as to how they propose we prevent collisions between Optional<T>.none.hashValue and any given  T's hash value.

It is a hash, collision is fine. It is just a single value. I guess a hashValue of zero works well for `nil`.
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