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Functional container like data structures for better runtime safety and polymorphism

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containers lib containers protocols unwrappable.ex

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lib/containers/protocols/unwrappable.ex

defprotocol Containers.Unwrappable do
  def safe(struct, default)
  def unsafe!(struct)
end

defimpl Containers.Unwrappable, for: Any do
  def safe(%{value: nil}, default), do: default
  def safe(%{value: v}, _default), do: v

  def unsafe!(%{value: v}), do: v
end

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