[swift-evolution] Bool vs. Optional<Void>

[Slava Pestov]

> On Dec 17, 2015, at 11:01 AM, Pyry Jahkola via swift-evolution <swift-evolution at swift.org> wrote:
> (Possibly related to this is that Bool is a struct and not an enum in Swift.)

This is an artifact of the current implementation more than anything. IIRC there are missed optimization opportunities with an enum implementation, but the goal is to move to that.

Slava

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