> On Apr 20, 2017, at 8:13 AM, John Holdsworth via swift-evolution > <[email protected]> wrote: > > I was going to have a look at creating a new proposal for this but I see > there already > is one > <https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20160425/015977.html> > and the start of an implementation > <https://github.com/apple/swift/pull/3866>. Is there any chance this is in > the pipeline?
We haven't had time to invest in implementing this yet. Since it's a purely additive feature, the acceptance of the proposal still stand, and we would accept a good implementation of it at any time. It does however require some relatively deep refactoring of the modeling of Self types across the AST and SIL layers, which is currently very superficial, in order to successfully implement, which is part of why we haven't gotten around to it yet. -Joe
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