Bytes.b64.val: def of bend-kit-bytes@0.3.3.0
Import: import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
Lines 720-722 of bend-kit-bytes@0.3.3.0/bytes.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&start_line=720&end_line=722

import Base

# A base64 char's value, 64 for '=', or 65.
def b64.val(+c: U32) -> U32:
  Bool.pick(U32, in(65, c, 90), (c - 65 : U32), Bool.pick(U32, in(97, c, 122), (c - 71 : U32), Bool.pick(U32, in(48, c, 57), (c + 4 : U32), Bool.pick(U32, U32.is_eq(c, 43), 62, Bool.pick(U32, U32.is_eq(c, 47), 63, Bool.pick(U32, U32.is_eq(c, 61), 64, 65))))))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=in