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hello_libary

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hello elixir libary

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hello_libary lib hello world.ex
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lib/hello/world.ex 

defmodule Hello.World do

  @moduledoc """

  Hello world

  """



  @doc """

  Greet world



  ## Examples



    iex> Hello.World.greet("world")

    "Hello world!"

  """

  def greet(name \\ "world") when is_binary(name) do

    "Hello #{name}!"

  end

end