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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 dependencies unique_deps.ex
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lib/bin_struct/macro/dependencies/unique_deps.ex 

defmodule BinStruct.Macro.Dependencies.UniqueDeps do



  @moduledoc false



  alias BinStruct.Macro.Structs.DependencyOnOption

  alias BinStruct.Macro.Structs.RegisteredOption

  alias BinStruct.Macro.Structs.DependencyOnField

  alias BinStruct.Macro.Structs.Field

  alias BinStruct.Macro.Structs.VirtualField



  def unique_dependencies(dependencies) do



    Enum.uniq_by(

      dependencies,

      fn dependency ->



        case dependency do



          %DependencyOnOption{} = on_option_dependency ->



            %DependencyOnOption{ option: option } = on_option_dependency



            %RegisteredOption{ name: name, interface: interface } = option



            { :option, { name, interface }  }



          %DependencyOnField{} = on_field_dependency ->



            %DependencyOnField{ field: field, type_conversion: type_conversion } = on_field_dependency



            field_name =

              case field do

                %Field{ name: name } -> name

                %VirtualField{ name: name } -> name

              end



            { :field, { field_name, type_conversion }  }



        end



      end

    )



  end



end