| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 80 of 202 | 60% | 28 of 58 | 52% | 30 | 33 | 1 | 7 | 3 | 4 |
| spanOperationToCeylon(Tree.RangeOp, Callable) | | 69% | | 52% | 27 | 30 | 0 | 6 | 0 | 1 |
| spanOperationToCeylon$update(Tree.RangeOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| spanOperationToCeylon(Tree.RangeOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| spanOperationToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |