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Helpers around OptionParser for options and arguments, embeddable in vendored mix tasks.

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cli_mate lib mix tasks cli.demo.ex
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lib/mix/tasks/cli.demo.ex 

defmodule Mix.Tasks.Cli.Demo do

  @moduledoc false

  use Mix.Task

  alias CliMate.CLI



  @command [

    options: [

      name: [

        doc: "Displays a name.",

        short: :n

      ],

      very_long_name: [doc: "This option has a very long name.", default: "Some default string"],

      docdoc: [

        doc: "This option has a very long documentation line that most likely spans multiple

          lines, but hopefully good wrapping will keep it readable."

      ]

    ],

    arguments: [arg_one: []]

  ]



  # @usage CLI.format_usage(@command, format: :moduledoc)



  @impl Mix.Task

  def run(argv) do

    CLI.parse_or_halt!(

      argv,

      @command

    )

  end

end