[swift-evolution] [discussion] Class stored properties?

[Mathew Huusko V]

I don't follow. What's a singleton/how? If you mean my example, the whole
point/need for the feature is so it's not. I want `.value` to be unique
storage for each subclass.

On Wed, Aug 9, 2017 at 7:09 PM, Robert Widmann <rwidmann at apple.com> wrote:

> This is a singleton, it just happens to be in class scope.
>
> ~Robert Widmann
>
> > On Aug 9, 2017, at 3:55 AM, Mathew Huusko V via swift-evolution <
> swift-evolution at swift.org> wrote:
> >
> > Curious if class stored properties have ever been discussed (doesn't
> seem so..)?
> >
> > Also, assuming no, and assuming there's a good reason no/they're not
> coming anytime soon, what are some patterns people have been using in their
> place? I was considering something like..
> >
> > class SomeClass {
> >     private static var _classValues = [SomeClass.Type: Int]()
> >
> >     class var value: Int {
> >         get { _classValues[self] }
> >         set { _classValues[self] = newValue }
> >     }
> > }
> >
> > .. but then I remembered types aren't hashable yet either (so I guess I
> need to stringify it first).
> > _______________________________________________
> > swift-evolution mailing list
> > swift-evolution at swift.org
> > https://lists.swift.org/mailman/listinfo/swift-evolution
>
>
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