Number.eg_gcd: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/spec/math/number.bend as Number
Lines 32-36 of bend-collections-laws-math@1.0.0.0/spec/math/number.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/number.bend&start_line=32&end_line=36

import Base
import bend-collections-laws-math@1.0.0.0/src/math/number.bend as NB

# the gcd of the extended algorithm is the proved reference's
def eg_gcd(r: NB.EGcd) -> Nat:
  match r:
    case NB.EG{g, x, y, neg}:
      g

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/number.bend&name=EGcd