[swift-evolution] Enhanced Existentials

David Hart david at hartbit.com
Tue Jan 3 06:33:01 CST 2017

Hello Mailing-list,

I remember we discussed enhanced existentials heavily during the Swift 3 timeframe but postponed it. I was wondering if we need to bring back for discussion during Phase 1 or Phase 2? For reference, here is the proposal which Austin Zhend wrote which represented the culmination of the discussions:

https://github.com/austinzheng/swift-evolution/blob/az-existentials/proposals/XXXX-enhanced-existentials.md#nested-typealias-existential <https://github.com/austinzheng/swift-evolution/blob/az-existentials/proposals/XXXX-enhanced-existentials.md#nested-typealias-existential>

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