func Uint64() uint64 {
	global.Lock()
	out := global.Uint64()
	global.Unlock()
	return out
}
// Uint64 returns a random uint64.
// Safe for concurrent callers.
Uint64 returns a random uint64.
Safe for concurrent callers.
// Uint64 returns a random uint64 . // Safe for concurrent callers .
func Uint64() uint64 {
	global.Lock()
	out := global.Uint64()
	global.Unlock()
	return out
}
func Uint64 ( ) uint64 { global . Lock ( ) out := global . Uint64 ( ) global . Unlock ( ) return out }
Uint64 returns a random uint64.
Uint64 returns a random uint64 .