import Foundation
let doc = try! XMLDocument(xmlString: "<item>foo</item>")
let node = doc.rootElement()!
let child = node.children![0]
print("child.kind: \(child.kind)")
print("child.kind.rawValue: \(child.kind.rawValue)")
print("child.kind == .text: \(child.kind == .text)")
print("child.kind == .invalid: \(child.kind == .invalid)")

child.kind: invalid
child.kind.rawValue: 0
child.kind == .text: false
child.kind == .invalid: true

child.kind: NSXMLNodeKind
child.kind.rawValue: 7
child.kind == .text: true
child.kind == .invalid: false