> On Jan 16, 2018, at 9:56 AM, Jon Gilbert via swift-evolution
> <swift-evolution@swift.org> wrote:
>
> No to this pitch, because a percentage can be higher than 100%.
☝️ One need only look in Activity Monitor to see this in action.
> Use NumberFormatter to display a number as a percentage.
> https://developer.apple.com/documentation/foundation/numberformatter
> <https://developer.apple.com/documentation/foundation/numberformatter>
I agree 1000% 😉
> Or you could make an NSNumber subclass if you want to enforce an arbitrary
> rule upon numbers.
In theory you can; in practice you can’t. Subclassing things like NSNumber is
fraught with undocumented peril.
Dave
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