[swift-evolution] [Proposal draft] Use obtain let instead if let construction

[Derrick Ho]

*if let *is fine the way it currently is.  It may be strange to newcomers
since it is unique, but once you get used to it, it is super useful.

On Sun, Jan 8, 2017 at 7:58 AM Georgios Moschovitis via swift-evolution <
swift-evolution at swift.org> wrote:

> I quite really like the `if let` syntax, feels natural to me.
>
> -1
>
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