 //  Copyright (c) 2014 Rob Rix. All rights reserved.
 
 /// A singly-linked lazy list.
-enum List<Element> {
+enum List<Element>: NilLiteralConvertible {
 	// MARK: Constructors
 
 	/// Nil case.

	/// N-ary list from a sequence.
	init<S: SequenceType where S.Generator.Element == Element>(elements: S) {
		self = List(generator: elements.generate())
	}



}


// MARK: - Imports

import Box
