On Jun 30, 2016, at 9:22 AM, Saagar Jha via swift-evolution <[email protected]> wrote: > When I see an IUO property, I consider it a sort of “contract”–it’s basically > saying something like “I can’t set this to a valid value right now, but by > the time you use it I promise that it’s non nil”
You might say that an IUO is sort of an IOU? -W
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