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Extension of the Elixir standard library focused on data stuctures, data manipulation and performance

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aja lib vector errors.ex
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lib/vector/errors.ex 

defmodule A.Vector.IndexError do

  defexception [:index, :size]



  @impl true

  def exception(index: index, size: size) do

    %__MODULE__{index: index, size: size}

  end



  @impl true

  def message(%__MODULE__{index: index, size: 0}) do

    "out of bound index: #{index} for empty vector"

  end



  def message(%__MODULE__{index: index, size: size}) do

    "out of bound index: #{index} not in #{-size}..#{size - 1}"

  end

end



defmodule A.Vector.EmptyError do

  defexception []



  @impl true

  def exception(_) do

    %__MODULE__{}

  end



  @impl true

  def message(%__MODULE__{}) do

    "empty vector error"

  end

end