File	Line Coverage			Functions
concat.rs	43.75%	43.75%	14 / 32	66.67%	4 / 6
equals.rs	46.15%	46.15%	6 / 13	66.67%	2 / 3
neq.rs	54.55%	54.55%	6 / 11	66.67%	2 / 3
subset.rs	23.08%	23.08%	3 / 13	66.67%	2 / 3
subseteq.rs	100%	100%	28 / 28	66.67%	2 / 3
supset.rs	25%	25%	3 / 12	66.67%	2 / 3
supseteq.rs	25%	25%	3 / 12	66.67%	2 / 3
union.rs	98.73%	98.73%	78 / 79	40%	6 / 15