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nanoxd/Optional+KeyPathMap.swift

Last active September 22, 2018 16:46
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[Optional+KeyPathMap] Maps an optional value to a property on the object using a keyPath. #swift
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Optional+KeyPathMap.swift
extension Optional {
public func map<T>(_ keyPath: KeyPath<Wrapped, T>) -> T? {
return map({ $0[keyPath: keyPath] })
}
}
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