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

Robert Bennett rltbennett at icloud.com
Thu Aug 17 10:35:54 CDT 2017

Good catch. I think this functionality is worth adding. Seems like it could be useful for e.g., a grid of buttons.

> On Aug 17, 2017, at 11:25 AM, Rob Mayoff via swift-evolution <swift-evolution at swift.org> wrote:
>> 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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