Forget it. Just found the answer myself on Swift ebook. It's a bitwise xor
operator. And there's no power operator in Swift. Sorry.
I've looked for this for hours. Why did I find the answer after I asked here?
Pada Minggu, 18 September 2016 19:41, Mr Bee <pak.le...@yahoo.com> menulis:
Hi all, I wrote this in XCode Playground…
let i = 2^2print(i)
It runs fine without any errors and print 0, while I expect it to print 4 from
2 power by 2 or 2². Swift ebook and even Google gave me nothing on this.
What did I miss?
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