| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 47 of 116 | 59% | 18 of 34 | 47% | 19 | 21 | 1 | 5 | 3 | 4 |
| existsOperationToCeylon(Tree.Exists, Callable) | | 76% | | 47% | 16 | 18 | 0 | 4 | 0 | 1 |
| existsOperationToCeylon$update(Tree.Exists) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| existsOperationToCeylon(Tree.Exists) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| existsOperationToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |