bug.swift

extension Array {
	mutating func merge <S: SequenceType where S.Generator.Element == Element> (seq: S) {
		var gen = seq.generate()
		while let (key : Element, value : Element) = gen.next() {
			self[0] = value
		}
	}
}
 
var arr = [0]
let more = [1,2,3]
arr.merge(more)
println(arr) //[140734546800128]