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// @discardableResult to be added
// @noescape needs to move to type annotation
// needs to add _ for item
public func with<T>(item: T, @noescape update: (inout T) throws -> Void) rethrows -> T {
var this = item; try update(&this); return this
}
@catalandres

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commented Jul 11, 2016

Did this end up submitted as a Swift Evolution proposal?

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