def mask.data
import gralha-coverage@0.1.0.1/cover.bend as Coverimport Base
1150def mask.data(trees: Bool, rows: List<&2, List<&2, Run>>, +size: U32, +depth: Nat) -> CovData:
1151 match trees:
1152 case True{}: CovTreed{tree.node(node.of(rows, size, 0), depth, 0, size)}
1153 case False{}: CovRows{rows}