| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 89 of 175 | 49% | 22 of 40 | 45% | 21 | 24 | 1 | 7 | 3 | 4 |
| productOperationToCeylon(Tree.ProductOp, Callable) | | 57% | | 45% | 18 | 21 | 0 | 6 | 0 | 1 |
| productOperationToCeylon$update(Tree.ProductOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| productOperationToCeylon(Tree.ProductOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| productOperationToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |