Suggested approach: Variadic functions accept any number of parameters. Swift writes them using
..., and we’re handed the parameters as an array. Again, try to give an example – something like
print() is a good place to start.
For bonus points, you could add that Swift 5.4 and later allow multiple variadic parameters.
Estimated difficulty: Intermediate
guardkeyword in Swift?
#if swiftsyntax do?
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