const time.nsecMask

5 uses

	time (current package)
		time.go#L154: 	nsecMask     = 1<<30 - 1
		time.go#L164: 	return int32(t.wall & nsecMask)
		time.go#L184: 			t.wall = t.wall&nsecMask | uint64(dsec)<<nsecShift | hasMonotonic
		time.go#L216: 		t.wall &= nsecMask
		time.go#L829: 	t.wall = t.wall&^nsecMask | uint64(nsec) // update nsec