var testArray: [Int]?

testArray = [1,2,3]

testArray?[9]

var testArray: [Int]?
testArray = [1,2,3]

let index1 = 9
let numberNine : Int? = index1 < testArray!.count ? testArray![ index1 ] : nil
println(numberNine)

let index2 = 2
let numberTwo : Int? = index2 < testArray!.count ? testArray![ index2 ] : nil
println(numberTwo!)