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Schema creation, validation with serialization and deserialization for input data

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parameter lib parameter types float.ex
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lib/parameter/types/float.ex 

defmodule Parameter.Types.Float do

  @moduledoc """

  Float parameter type

  """



  use Parameter.Parametrizable



  @impl true

  def load(value) when is_float(value) do

    {:ok, value}

  end



  def load(value) when is_binary(value) do

    case Float.parse(value) do

      {float, ""} -> {:ok, float}

      _error -> error_tuple()

    end

  end



  def load(value) when is_integer(value) do

    {:ok, value / 1}

  end



  def load(_value) do

    error_tuple()

  end



  @impl true

  def validate(value) when is_float(value) do

    :ok

  end



  def validate(_value) do

    error_tuple()

  end



  defp error_tuple, do: {:error, "invalid float type"}

end