swap two numbers

[Abhishek Jha]

hello malcolm,
You have written nice function to swap, but what is this swap().

 

[Joona I Palaste]

hello malcolm,
You have written nice function to swap, but what is this swap().

And besides, how could it ever work when you pass the ints themselves
and not pointers to them?
Perhaps it's not a function at all, but instead a macro.

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