[swift-evolution] [swift-evolution-announce] [Review] SE-0089: Replace protocol<P1, P2> syntax with Any<P1, P2>

[Charlie Monroe]

>>> If we're going to repaint this bikeshed, I think we should also consider as an alternative some form of infix syntax for composing constraints. Rust uses `P1 + P2`, and various C++ proposals have suggested `P1 && P2`.
>>> 
>>> Given our reluctance to even overload operators for use with Set, I'd personally find this a bit incongruous.
>> 
>> I don't recall a proposal around operators for Set.  What did people want to use?  The obvious candidates are way too hard to type on the keyboards we have today.
> 
> It is a joke, right? The layout of the keyboards used in one country as a driver for a feature.

I was a bit in shock when I saw this:

https://github.com/apple/swift/blob/master/stdlib/internal/SwiftExperimental/SwiftExperimental.swift

I know it's marked experimental, but wow... It looks pretty, but it's insane and IMHO something that shouldn't be in the standard lib's master branch.