Question

How to get the 4 least significant bits in a byte with Go

Answer 1

package main

import (
    "fmt"
)

func main() {
    value := byte(0b11010110)
    lower4 := value & 0x0F

    fmt.Println("value  (dec):", value)
    fmt.Println("lower4 (dec):", lower4)

    fmt.Printf("value  (bin):  %08b\n", value)
    fmt.Printf("lower4 (bin):  %04b\n", lower4)
}




/*
run:

value  (dec): 214
lower4 (dec): 6
value  (bin):  11010110
lower4 (bin):  0110

*/

 

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