Phc.dec4: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/argon2/phc.bend as Phc
Lines 188-193 of bend-collections@1.0.0.0/src/crypto/argon2/phc.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/argon2/phc.bend&start_line=188&end_line=193

import Base

def dec4(ma: Maybe<&2, U32>, mb: Maybe<&2, U32>, mc: Maybe<&2, U32>, md: Maybe<&2, U32>, mr: Maybe<&2, List<&2, U32>>) -> Maybe<&2, List<&2, U32>>:
  match ma mb mc md mr:
    case Some{+a} Some{+b} Some{+c} Some{+d} Some{rest}:
      Some{byte_of(su(a), sv(a), sw(a), su(b)) <> byte_of(sv(b), sw(b), su(c), sv(c)) <> byte_of(sw(c), su(d), sv(d), sw(d)) <> rest}
    case _ _ _ _ _:
      None{}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/argon2/phc.bend&name=byte_of
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/argon2/phc.bend&name=su
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/argon2/phc.bend&name=sv
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/argon2/phc.bend&name=sw