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bin_struct

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BinStruct is a library which provides you rich set of tools for parsing/encoding binaries

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bin_struct lib bin_struct macro is_optional_field.ex
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lib/bin_struct/macro/is_optional_field.ex 

defmodule BinStruct.Macro.IsOptionalField do



  @moduledoc false



  alias BinStruct.Macro.Structs.Field



  def is_optional_field( %Field{ opts: opts } ) do

    is_optional_by_opts(opts)

  end



  defp is_optional_by_opts(opts) do

    optional_by = (if opts[:optional_by], do: true, else: false)

    optional = (if opts[:optional], do: true, else: false)



    optional_by || optional



  end



end