unionOperationToCeylon_

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	91 of 129	29%	27 of 30	10%	16	17	1	5	1	2
unionOperationToCeylon(Tree.UnionOp)		30%		10%	15	16	0	4	0	1
unionOperationToCeylon_()		0%		n/a	1	1	1	1	1	1