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Elixir Cookbook

Elixir Cookbook

By : Paulo Pereira
4.5 (2)
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Elixir Cookbook

Elixir Cookbook

4.5 (2)
By: Paulo Pereira

Overview of this book

This book is intended for users with some knowledge of the Elixir language syntax and basic data types/structures. Although this is a cookbook and no sequential reading is required, the book’s structure will allow less advanced users who follow it to be gradually exposed to some of Elixir’s features and concepts specific to functional programming. To get the most out of this book, you need to be well versed with Erlang.
Table of Contents (11 chapters)
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10
Index

Documenting modules


In this recipe, we will be using the @moduledoc and @doc reserved module attributes to add documentation to the modules we defined in the previous recipe, Enforcing behaviors.

Getting ready

Open the randomizer.ex and my_module.ex files created in the Enforcing behaviors recipe inside your preferred code editor.

How to do it…

To add documentation to our modules, follow these steps:

  1. We will start by adding module documentation to the randomizer.ex file. Add the following code below the use Behavior line:

    @moduledoc """
      This module specifies the interface for a randomizer behaviour by using the defcallback macro.
    """
  2. Add the following module documentation to the my_module.ex file below the @behaviour Randomizer line:

    @moduledoc """
      This is a custom module to demo the implementation of behaviours.
    """
  3. To document the randomize function inside my_module.ex, insert the following code right above the function definition:

    @doc """
    The randomize callback defines the randomize function...

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