Editing bits.

bit-editing.go

package main

import (
    "fmt"
    "math/big"
)

/*
1
10
11
100
101
110
111
1000
1001
1010
1011 - 11
*/

func main() {
    x := new(big.Int)
    x.SetInt64(11)
    fmt.Println(x) // 11
    b := x.Bit(1)
    fmt.Println(b) // 1
    c := x.SetBit(x, 1, 0)
    fmt.Println(c) // 9
    b = x.Bit(1)
    fmt.Println(b) // 0
}