file_snapshot.go
func snapshotName(term, index uint64) string {
	now := time.Now()
	msec := now.UnixNano() / int64(time.Millisecond)
	return fmt.Sprintf("%d-%d-%d", term, index, msec)
}
func snapshotName(term, index uint64) string {
	now := time.Now()
	msec := now.UnixNano() / int64(time.Millisecond)
	return fmt.Sprintf("%d-%d-%d", term, index, msec)
}
func snapshotName ( term , index uint64 ) string { now := time . Now ( ) msec := now . UnixNano ( ) / int64 ( time . Millisecond ) return fmt . Sprintf ( " " , term , index , msec ) }
// snapshotName generates a name for the snapshot.
snapshotName generates a name for the snapshot .