> On Feb 22, 2017, at 10:48 AM, David Sweeris via swift-evolution
> <[email protected]> wrote:
>
> Eh, maybe… At least in Xcode, autocomplete works for free functions. I was
> just thinking about how people who already know about “signum" would expect
> it to work. Like if a mathematician sits down to write something in Swift,
> are they more likely to try “signum(x)” or “x.signum” first?
Honestly, as a mathematician I think either one is fine.
We like free functions in mathematics. x.signum is (slightly?) Swiftier. Six
of one, half dozen of the other, either one will be completely satisfactory.
– Steve
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