There's also Bool(), which gives you false. But if you look into the docs, it tells you explicitly not to use Bool(). So, just to hazard a guess--implementation artifact? After all, one can't prefix init with an underscore.
On Mon, Dec 26, 2016 at 12:14 Tim Vermeulen via swift-evolution < [email protected]> wrote: > I’ve never seen anyone use the empty init for it before, and if I ever > will, I’ll probably discourage it. What is it for, anyways? Isn’t > `Int.allZeros` enough? > > > > > On 26 Dec 2016, at 18:09, David Sweeris <[email protected]> wrote: > > > > > > > > >> On Dec 26, 2016, at 09:01, Tim Vermeulen via swift-evolution < > [email protected]> wrote: > > >> > > >> Then why is Int() allowed, and why does that return 0? > > > > > > Predictability, I'd guess. The memory has to be initialized to > *something*. And, IIRC, some architectures can 0 out memory faster than > filling it with some other pattern. > > > > > > - Dave Sweeris > > > > _______________________________________________ > > swift-evolution mailing list > > [email protected] > > https://lists.swift.org/mailman/listinfo/swift-evolution > >
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