Natural.inv_go: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/math/natural.bend as Natural
Lines 305-312 of bend-collections@1.0.0.0/src/math/natural.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/math/natural.bend&start_line=305&end_line=312

import Base

def inv_go(fuel: Nat, +m: Nat, +r0: Nat, +s0: Nat, +r1: Nat, +s1: Nat) -> Bezout:
  match fuel r1:
    case 0n _:
      BZ{r0, s0}
    case 1n+f 0n:
      BZ{r0, s0}
    case 1n+f 1n+ +rp:
      inv_go(f, m, 1n+rp, s1, Nat.mod(r0, 1n+rp), inv_step(m, Nat.div(r0, 1n+rp), s0, s1))

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=Nat.div
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mod
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/natural.bend&name=Bezout
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/natural.bend&name=inv_step