const unique.nChildrenMask

7 uses

	unique (current package)
		canonmap.go#L45: 		n := i.children[(hash>>hashShift)&nChildrenMask].Load()
		canonmap.go#L73: 			slot = &i.children[(hash>>hashShift)&nChildrenMask]
		canonmap.go#L162: 		oi := (oldHash >> hashShift) & nChildrenMask
		canonmap.go#L163: 		ni := (newHash >> hashShift) & nChildrenMask
		canonmap.go#L193: 			slot = &i.children[(hash>>hashShift)&nChildrenMask]
		canonmap.go#L243: 				parent.children[(hash>>hashShift)&nChildrenMask].Store(nil)
		canonmap.go#L282: 	nChildrenMask = nChildren - 1