[swift-evolution] protocol-oriented integers (take 2)

Xiaodi Wu xiaodi.wu at gmail.com
Fri Jan 27 10:34:31 CST 2017


I'd always just assumed that Arithmetic was chosen so that SignedArithmetic
wouldn't clash with the old SignedNumber. If that's not an issue,
definitely agree that Number is the superior name.
On Fri, Jan 27, 2017 at 08:30 T.J. Usiyan via swift-evolution <
swift-evolution at swift.org> wrote:

> Oh, I misread the arrows in that diagram and this makes much more sense
> now.
>
> Thanks.
>
> On Fri, Jan 27, 2017 at 9:14 AM, Stephen Canon <scanon at apple.com> wrote:
>
> The bitwise stuff isn't on ArithMETic | ARITHmetic | Number | whatever.
>
> On Jan 27, 2017, at 9:13 AM, T.J. Usiyan via swift-evolution <
> swift-evolution at swift.org> wrote:
>
> Regarding `Number` or `Numeric`: Does everything in Arithmetic apply to
> complex numbers and do we want it to? The bitwise stuff is where I think
> that there might be a mismatch.
>
> On Thu, Jan 26, 2017 at 2:26 PM, Dave Abrahams via swift-evolution <
> swift-evolution at swift.org> wrote:
>
>
> on Sun Jan 15 2017, Stephen Canon <swift-evolution at swift.org> wrote:
>
> > Responding to the thread in general here, not so much any specific email:
> >
> > “Arithmetic” at present is not a mathematically-precise concept, and
> > it may be a mistake to make it be one[1]; it’s a
> > mathematically-slightly-fuzzy “number” protocol.
>
>
> In that case, should we consider renaming it to “Numeric” or even
> “Number?”  That would at least remove the question about how to
> pronounce it.
>
>
> --
> -Dave
>
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