Question

How to use a bitwise operator to pass multiple Integer values to a function for Swift

Answer 1

import Foundation

let ONE: UInt8 = 0x01
let TWO: UInt8 = 0x02
let THREE: UInt8 = 0x04
let FOUR: UInt8 = 0x08

func multiValueExample(_ values: UInt8) {
    if (values & ONE) == ONE {
        print("ONE")
    }

    if (values & TWO) == TWO {
        print("TWO")
    }

    if (values & THREE) == THREE {
        print("THREE")
    }

    if (values & FOUR) == FOUR {
        print("FOUR")
    }
}

multiValueExample(ONE | THREE | FOUR)



/*
run:

ONE
THREE
FOUR

*/

 

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