> On Jun 15, 2017, at 10:28 AM, Chris Lattner via swift-evolution > <[email protected]> wrote: > > My belief on this is that it is a legacy Swift 1 type system capability that > no one uses. I have no data to show that though.
Tangential and perhaps a terrible idea, but: It's 2017. Can we instrument the compiler to tell us which weird, rare features people actually use? -- Brent Royal-Gordon Architechies
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