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validate

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validate lib validate rules size.ex
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lib/validate/rules/size.ex 

defmodule Validate.Rules.Size do

  @moduledoc false



  alias Validate.Util

  import Validate.Validator



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

    message = "must have a size of exactly #{size}"



    case Util.get_size(value) do

      x when is_number(x) -> if value == size, do: success(value), else: error(message)

      _ -> error(message)

    end

  end

end