[swift-evolution] [Pitch] Improve `init(repeating:count)`

Rob Mayoff mayoff at dqd.com
Thu Aug 17 10:24:08 CDT 2017

On Thu, Aug 17, 2017 at 7:04 AM, Robert Bennett via swift-evolution <
swift-evolution at swift.org> wrote:

> Alternatively, instead of replacing the current definition with an
> autoclosure version, we could leave the current version in place and add a
> version taking a function. This could be especially useful when you’ve
> defined a function like `makeMySpecialKindOfButton() -> UIButton` that does
> a lot of customization to an object before returning it.
> Array(repeating: { return UIView() }, count: 3)
> and
> Array(repeating: makeMySpecialKindOfButton, count: 3)

This is still source-breaking, because an array of closures is legal. We
need a different name to avoid breaking source:

    Array(repeatedlyCalling: { UIView() }, count: 3)
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