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ex_gtin

0.2.0
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Elixir Global Trade Item Number (GTIN) Validation Library for GS1, UPC-12, and GLN. Validates GTIN-8, GTIN-12 (UPC-12), GTIN-13 (GLN), GTIN-14 codes. Universal Price Code (UPC)

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ex_gtin lib ex_gtin.ex
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lib/ex_gtin.ex 

defmodule ExGtin do

  @moduledoc """

  Documentation for ExGtin. This library provides

  functionality for validating GTIN compliant codes.

  """



  import ExGtin.Validation



  @doc """

  Check for valid  GTIN-8, GTIN-12, GTIN-13, GTIN-14, GSIN, SSCC codes



  Returns `{:ok}` or `{:error}`



  ## Examples



      iex> ExGtin.check_gtin("6291041500213")

      {:ok}



      iex> ExGtin.check_gtin("6291041500214")

      {:error}

  """

  @spec check_gtin(string | list(number)) :: {atom}

  def check_gtin(number) do

    gtin_check_digit(number)

  end



end