Core.Fin.unpack.lift: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/core.bend as Core
Lines 112-114 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=112&end_line=114

import Base

def Fin.unpack.lift(-a: Nat, -b: Nat, coordinate: Fin(a) & Fin(b)) -> Fin(1n+a) & Fin(b):
  (head, tail) = coordinate
  (FNext{head}, tail)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  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