Core.Fin.split.step: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/core.bend as Core
Lines 74-79 of bendtorch-core@0.1.0.0/src/shape/core.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&start_line=74&end_line=79

import Base

def Fin.split.step(-a: Nat, -b: Nat, split: Either<Fin(a), Fin(b)>) -> Either<Fin(1n+a), Fin(b)>:
  match split:
    case Inl{index}:
      Inl{FNext{index}}
    case Inr{index}:
      Inr{index}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Either
  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/core.bend&name=Fin
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Fin.Step