Natural.Iroot.zero_degree: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/math/natural.bend as Natural
Lines 223-225 of bend-collections-laws-crypto@1.0.0.0/spec/math/natural.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/math/natural.bend&start_line=223&end_line=225

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/natural.bend as M

# PDF 2.3: the zeroth root is a domain error
def Iroot.zero_degree(+n: Nat) -> Type:
  {M.iroot(n, 0n) == Fail{M.Domain{}} : Result<&2, &2, M.MathError, Nat>}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/natural.bend&name=MathError
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/natural.bend&name=iroot