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gitea/vendor/github.com/RoaringBitmap/roaring/clz.go
2019-11-27 11:23:33 +02:00

11 lines
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Go
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// +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 countLeadingZeros(x uint64) int {
return bits.LeadingZeros64(x)
}