RubyRange.new BlockCallback() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	0 of 40	100%	0 of 2	100%	0	3	0	5	0	2
call(ThreadContext, IRubyObject[], Block)		100%		100%	0	2	0	3	0	1
{...}		100%		n/a	0	1	0	2	0	1