Field.prime: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/curve25519/field.bend as Field
Lines 79-81 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/curve25519/field.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/curve25519/field.bend&start_line=79&end_line=81

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend as C

# p = 2^255 - 19
def prime(+one: Nat) -> Nat:
  Nat.sub(C.shift(255n, one), 19n)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend&name=shift