go get github.com/damnever/bitarray
package main
import "github.com/damnever/bitarray"
func main() {
bits := bitarray.New(64)
bits.Put(8, 1) // set value of the bit to 1 by index 8, return old bit.
bits.Get(8) // get value of the bit by index 8
bits.Set(9, 16) // set all bits to 1 between 9 and 16 , both 9 and 16 included.
bits.Count() // get the count of bit 1
// Clear/Not/Eq/Leq/Lt/ToArray ...
}