mirror of
https://github.com/go-gitea/gitea
synced 2024-12-21 06:14:25 +01:00
12 lines
226 B
Go
12 lines
226 B
Go
|
// +build go1.9
|
||
|
|
// "go1.9", from Go version 1.9 onward
|
||
|
|
// See https://golang.org/pkg/go/build/#hdr-Build_Constraints
|
||
|
|
|
||
|
|
package roaring
|
||
|
|
|
||
|
|
import "math/bits"
|
||
|
|
|
||
|
|
func popcount(x uint64) uint64 {
|
||
|
|
return uint64(bits.OnesCount64(x))
|
||
|
|
}
|