[swift-evolution] [Draft] Abolish IUO type

[Chris Lattner]

On Mar 17, 2016, at 1:38 PM, Chris Willmore <cwillmore at apple.com> wrote:
>> 
>> (Actually, I think that `@autoclosure` is a great analogy for this feature in many respects.)
> 
> The similarity to @autoclosure is a good observation.
> 
> It sounds like an explicit attribute name may be a necessary part of this proposal rather than a thought for the future. So far we’ve heard:
> 
> @implicitly_unwrapped
> @iuo
> @autounwrap

@autounwrapped seems like the best description.

-Chris