RandomAccessCollection
protocol RandomAccessCollection : _RandomAccessIndexable, BidirectionalCollection where Self.Indices : BidirectionalCollection, Self.Indices : _RandomAccessIndexable, Self.SubSequence : BidirectionalCollection, Self.SubSequence : _RandomAccessIndexable
The solution is inspired by the comment https://stackoverflow.com/a/45585365/7926205
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return a sorted collection this use a stable sort algorithm
Declaration
Swift
public func stableSorted(by areInIncreasingOrder: (Iterator.Element, Iterator.Element) -> Bool?) -> [Iterator.Element]
Parameters
areInIncreasingOrder
return nil when two element are equal
Return Value
the sorted collection