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

[Brent Royal-Gordon]

> Functions and tuples are structural types, although it is probably possible to make tuples syntactic sugar for a Tuple type of we get the necessary variadic generics support.

The design the variadic generics thread seems to have preliminarily settled on is based on representing variadic generics as tuples, so I imagine we would hit some issues with circularity!

-- 
Brent Royal-Gordon
Architechies