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validate

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Validate any data

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validate lib validate rules digits.ex
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lib/validate/rules/digits.ex 

defmodule Validate.Rules.Digits do

  @moduledoc false



  import Validate.Validator



  def validate(%{value: value, arg: digits}) do

    count = value |> Integer.digits() |> Enum.count()



    if count == digits do

      success(value)

    else

      error("must be exactly #{digits} digits long")

    end

  end

end