[swift-users] Reordering tuples with named components

[tuuranton at tutanota.de]

This code works great in Swift 2.2:
------------func foo() -> (a: String, b: Int) {    return ("asdf", 4)}
var z: (b: Int, a: String)z = foo()
print("\(z.0)") //4print("\(z.1)") //asdf------------

Notice how I have reordered a and b.
As a result the meaning of .0 and .1 have changed.
Can I, or am I likely to be able to, rely on this behavior going forward into 
Swift 2.3, Swift 3, Swift 4 and beyond?

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