Rows.new MergeIterator.Reducer() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	276 of 276	0%	40 of 40	0%	24	24	44	44	4	4
getReduced()		0%		0%	20	20	35	35	1	1
{...}		0%		n/a	1	1	2	2	1	1
reduce(int, ColumnData)		0%		0%	2	2	4	4	1	1
onKeyChange()		0%		n/a	1	1	3	3	1	1