I've adjusted the original answer to make it more generic and also to support the other element types on top of UInt8.
extension Array {
static func from(tuple: Any, start: UnsafePointer<Element>) -> [Element] {
[Element](
UnsafeBufferPointer(
start: start,
count: MemoryLayout.size(ofValue: tuple)/MemoryLayout<Element>.size
)
)
}
}
var someTuple: (Double, Double, Double) = (1, 2, 3)
let array: [Double] = .from(tuple: someTuple, start: &someTuple.0)
Michael Krutoyarskiy
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