Cover.node.mark: def of gralha-coverage@0.1.0.1
Import: import gralha-coverage@0.1.0.1/cover.bend as Cover
Lines 1099-1102 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=1099&end_line=1102

import Base

def node.mark(n: Node) -> Node:
  Node{flat, value, tl, tr, bl, br} = n
  +vv = value
  Node{Bool.not(F32.is_lt(vv, 0.0)), vv, tl, tr, bl, br}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.is_lt
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=Node