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

[Brent Royal-Gordon]

> I believe it was things like "+" and "-" for set union and subtraction, etc.


That, or &, |, and ^, by analogy with bitwise operators. It definitely came up during the SetAlgebra discussions. 

-- 
Brent Royal-Gordon
Sent from my iPhone

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