Cover.CovTree: type of gralha-coverage@0.1.0.1
Import: import gralha-coverage@0.1.0.1/cover.bend as Cover
Lines 12-15 of gralha-coverage@0.1.0.1/cover.bend: https://jend.leeeet.dev/read.txt?path=gralha-coverage@0.1.0.1/cover.bend&start_line=12&end_line=15

import Base

# Coverage over a power-of-two square: uniform cells collapse to one leaf.
type CovTree is Data:
  CovFlat{value: F32}
  CovQuad{a: CovTree, b: CovTree, c: CovTree, d: CovTree}

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32