defmodule Hyphen do
  @moduledoc """
  Hyphen public API (prototype).

  This module provides a minimal behaviour and helpers for the demo prototype.
  """

  defmacro __using__(_opts) do
    quote do
      @behaviour Hyphen.Backend
      defoverridable mount: 1
    end
  end

  def hello, do: :world
end

defmodule Hyphen.Backend do
  @callback mount(map()) :: {:ok, map()} | {:error, any()}
end
defmodule Hyphen do
  @moduledoc """
  Documentation for `Hyphen`.
  """

  @doc """
  Hello world.

  ## Examples

      iex> Hyphen.hello()
      :world

  """
  def hello do
    :world
  end
end