LAWS.fin_of: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/LAWS.bend as LAWS
Lines 47-54 of bendtorch-core@0.1.0.0/src/shape/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/LAWS.bend&start_line=47&end_line=54

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape

def fin_of(+bound: Nat, +value: Nat) -> Maybe<&2, Shape.Fin(bound)>:
  match bound value:
    case 0n value:
      None{}
    case 1n+p 0n:
      Some{Shape.FZero{}}
    case 1n+p 1n+q:
      fin_of.next(p, fin_of(p, q))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/LAWS.bend&name=fin_of.next
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Fin
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Fin.Step