const runtime.emptyOne

11 uses

	runtime (current package)
		map.go#L93: 	emptyOne       = 1 // this cell is empty
		map.go#L111: 	return x <= emptyOne
		map.go#L204: 	return h > emptyOne && h < minTopHash
		map.go#L749: 			b.tophash[i] = emptyOne
		map.go#L777: 				if b.tophash[i] != emptyOne {
		map_fast32.go#L315: 			b.tophash[i] = emptyOne
		map_fast32.go#L341: 				if b.tophash[i] != emptyOne {
		map_fast64.go#L317: 			b.tophash[i] = emptyOne
		map_fast64.go#L343: 				if b.tophash[i] != emptyOne {
		map_faststr.go#L340: 			b.tophash[i] = emptyOne
		map_faststr.go#L366: 				if b.tophash[i] != emptyOne {