RubyFiber.new Runnable() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	63 of 63	0%	0 of 0	n/a	2	2	10	10	2	2
run()		0%		n/a	1	1	9	9	1	1
{...}		0%		n/a	1	1	1	1	1	1