type CovData
import gralha-coverage@0.1.0.1/cover.bend as Coverimport Base
21# A mask's coverage: rows of runs (top first, ascending runs), which a fill is
22# painted from directly, or the tree, which clip masks and sampled tiles need
23# for block and pixel queries.
24type CovData is Data:
25 CovRows{rows: List<&2, List<&2, Run>>}
26 CovTreed{tree: CovTree}