Collection
extension Collection
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Returns the element at the specified index if it is within bounds, otherwise nil.
Declaration
Swift
public subscript(safe index: Index) -> Element? { get }
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Parallels mapping using RecursiveLock.
Declaration
Swift
public func parallelMap<R>(_ transform: @escaping (Element) -> R) -> [R]
Return Value
An array containing the results of mapping the given closure over the sequence’s elements.