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How to swap the first two bits of a number in Swift



73 views
asked Oct 25, 2024 by avibootz
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1 Answer

0 votes 
import Foundation

var num = 0b10100010
    
print(String(num, radix: 2).padding(toLength: 8, withPad: "0", startingAt: 0))
    
num ^= 1 << 0
num ^= 1 << 1
    
print(String(num, radix: 2).padding(toLength: 8, withPad: "0", startingAt: 0))



/*
run:
   
10100010
10100001
            
*/

 



answered Oct 25, 2024 by avibootz

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