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bin_codex

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Combinator library for working with binary data

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bin_codex lib codex base base16.ex
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lib/codex/base/base16.ex 

defmodule Codex.Base.Base16 do

  import Codex



  @numbers 48..57 |> Enum.map(&:binary.encode_unsigned/1)

  @capitals 65..70 |> Enum.map(&:binary.encode_unsigned/1)



  @num_to_char (@numbers ++ @capitals)

               |> Enum.with_index()

               |> Enum.map(fn {char, num} -> {num, char} end)

               |> Enum.into(%{})



  @spec codec() :: Codex.codec(String.t())

  def codec(), do: list(list_of(2, bits(4) |> mapping(@num_to_char)) |> join()) |> join(2)

end