TypeChecker.new ItemMappingFunction() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	33 of 33	0%	2 of 2	0%	3	3	6	6	2	2
mapItem(Item)		0%		0%	2	2	5	5	1	1
{...}		0%		n/a	1	1	1	1	1	1