TraversalLanes.covered: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/traversal_lanes.bend as TraversalLanes
Lines 91-94 of stelliferous@0.0.2.0/traversal_lanes.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/traversal_lanes.bend&start_line=91&end_line=94

import Base

# An array of 2^depth values holds the count positions from position, within
# the depths the refinement proof covers.
def covered(+depth: Nat,+position: U32,+count: Nat) -> Bool:
  Nat.is_le(depth,30n) && Nat.is_le(Nat.add(U32.to_nat(position),count),U32.to_nat(U32.shln(1,depth)))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat