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== YAML Serialization in Elixir == [[File:Elixir_logo.png|right|200px|alt=Elixir logo]] YAML Serialization is a powerful mechanism in Elixir that allows developers to convert Elixir data structures into YAML format and vice versa. YAML, which stands for "YAML Ain't Markup Language", is a human-readable data serialization format that is widely used for configuration files, data exchange, and inter-application communication. === Installing the YAML library === To use YAML serialization in Elixir, the first step is to add the appropriate library to your project's dependencies. In this case, we will be using the popular `yamerl` library. Add the following line to your `mix.exs` file: ``` defp deps do [ {:yamerl, "~> 0.8"} ] end ``` Then, run `mix deps.get` to fetch and compile the dependency. === Serializing Elixir Data to YAML === Here is an example of serializing an Elixir data structure to YAML: ```elixir data = %{name: "John", age: 30, interests: ["Elixir", "YAML"]} yaml = :yamerl.encode(%{data}) ``` === Deserializing YAML to Elixir Data === Here is an example of deserializing YAML into an Elixir data structure: ```elixir yaml = "---\nname: John\nage: 30\ninterests:\n - Elixir\n - YAML\n" {:ok, data} = :yamerl.decode(yaml) ``` === Handling Options === The `yamerl` library provides various options to customize the serialization and deserialization processes. These options can be passed as arguments to the `:yamerl.encode/2` and `:yamerl.decode/2` functions. For example, to pretty-print the YAML output, you can set the `:output_style` option to `:pretty`: ```elixir data = %{name: "John", age: 30, interests: ["Elixir", "YAML"]} yaml = :yamerl.encode(%{data}, output_style: :pretty) ``` === Recap === YAML Serialization in Elixir is a useful feature for converting Elixir data structures to YAML format and vice versa. With libraries like `yamerl`, developers can easily work with YAML files and integrate their Elixir applications with systems that utilize YAML as a data interchange format. == See Also == * [[Elixir Programming]] * [[JSON Serialization in Elixir]] * [[XML Serialization in Elixir]] [[Category:Elixir (programming language)]] [[Category:Serialization]] [[Category:Data Formats]]
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