Aes.hex: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/aes/aes.bend as Aes
Lines 213-219 of bend-collections@1.0.0.0/src/crypto/aes/aes.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/aes/aes.bend&start_line=213&end_line=219

import Base

# Lowercase hexadecimal of a byte list.
def hex(bytes: List<&2, U32>) -> String:
  match bytes:
    case Nil{}:
      ""
    case +b <> rest:
      SCon{hex_digit(U32.and(15, U32.shrn(b, 4n))), SCon{hex_digit(U32.and(15, b)), hex(rest)}}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shrn
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/aes/aes.bend&name=hex_digit