 
 
 /// SequenceType conformance.
-extension Set : SequenceType {
+extension Set: SequenceType {
 	public func generate() -> GeneratorOf<Element> {
 		return GeneratorOf(values.keys.generate())
 	}

}

/// ArrayLiteralConvertible conformance.
extension Set : ArrayLiteralConvertible {
	public init(arrayLiteral elements: Element...) {
		self.init(elements)
	}



/// Printable conformance.
extension Set: Printable {
	public var description: String {
		if self.count == 0 { return "{}" }
		
