Argon2.step: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend as Argon2
Lines 333-339 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&start_line=333&end_line=339

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/types.bend as A

def step(+r: Nat, +l: Nat, +s: Nat, +idx: Nat, +p: Nat, +q: Nat, +sl: Nat, +cur: Nat, +indep: Bool, +addr: A.Block, +prev: A.Block, +mem: List<&2, A.Block>) -> List<&2, A.Block>:
  +r0 = Nat.is_eq(r, 0n)
  +pr = pick(indep, addr, idx, prev)
  +rl = ref_lane(Bool.and(r0, Nat.is_eq(s, 0n)), l, hi(pr), p)
  +w = area(area_base(r0, s, sl, q), idx, Nat.is_eq(rl, l))
  +ri = Nat.mod(Nat.add(start(r0, s, sl), rel(w, lo(pr))), q)
  store(r0, cur, prev, get(mem, Nat.add(Nat.mul(rl, q), ri)), mem)

Uses (19):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mod
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=area
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=area_base
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=get
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=hi
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=lo
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=pick
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=ref_lane
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=rel
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=start
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&name=store
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/types.bend&name=Block