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Each tuple cardinality is represented by its own type in swift (as in any other strongly-typed programming language I'm aware of), so we have
($T1, $T2)
($T1, $T2, $T3)
...
Since we have several different types, one per cardinality, they need to be finite.
In Scala we have up to Tuple22, in Haskell the current limit should be 64.
What's the limit (if any) in swift? Also, are the types implementations generated by the compiler or is there an explicit implementation I couldn't find?
947
@greenoldman as stated in the Swift guide, tuples are compound data types. Therefore, defining it as let makes it and its "members" immutable.
You can create tuples from as many values as you want and from any number of different data types.
In Swift, a tuple is a group of different values. And, each value inside a tuple can be of different data types.
You use tuples in Swift to make ordered, comma-separated lists of values.
In the current version of Xcode 6 Beta, compilation fails with tuples of arity larger than 1948 (the swift executable exits with code 254; there isn't a specific warning or error).
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