[swift-users] what's ^ operator for

[Saagar Jha]

The ^ operator performs a bitwise XOR <https://en.wikipedia.org/wiki/Bitwise_operation#XOR>. This is not the same as exponentiation.

Saagar Jha



> On Sep 18, 2016, at 05:41, Mr Bee via swift-users <swift-users at swift.org> wrote:
> 
> Hi all,
>  
> I wrote this in XCode Playground…
> 
> let i = 2^2
> print(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?
> 
> Thank you.
> 
> Regards,
> 
> –Mr Bee
> 
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