possible duplicate of Array of tuples in Swift - In short: myArray.append(1,2) works (don't know if this is intended or a Swift bug). myArray += (1,2) works as well.
Note that the above example uses pre-beta 3 syntax for array types. The correct syntax now is to place parentheses around the value type, not after them.
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Your tuple doesn't need a second set of parentheses around it. This works fine:
myArray.append(1,2)works (don't know if this is intended or a Swift bug).myArray += (1,2)works as well.