File	Line Coverage			Functions		Branches
ast.rs	90%	90%	63 / 70	41.51%	22 / 53	100%	0 / 0
error.rs	77.42%	77.42%	48 / 62	14%	7 / 50	100%	0 / 0
eval.rs	75%	75%	27 / 36	20%	3 / 15	100%	0 / 0
reader.rs	94.04%	94.04%	489 / 520	56.67%	119 / 210	100%	0 / 0