extension Optional {
    func and<U>(x:U?) -> (T, U)? {
        switch (self, x) {
            case let (.Some(a), .Some(b)):
                return (a, b)
            default:
                return nil
        }
    }
}

var x : Int?
var y : Int?

x = 5
y = 60

if let (a, b) = x.and(y) {
    println("\(a), \(b)")
} else {
    println("nope")
}