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== Getting Started with Elixir == [[File:Elixir_logo.png|300px|thumb|right|The Elixir logo]] Elixir is a dynamic, functional programming language built on the Erlang Virtual Machine (BEAM). It combines the expressiveness of Ruby with the robustness of Erlang, making it an excellent choice for building scalable and reliable applications. This guide will walk you through the essential concepts and tools you need to get started with Elixir programming. === Installation === To begin using Elixir, you first need to install it on your system. Follow the installation guidelines based on your operating system: * [[Installation on Windows|Windows]] * [[Installation on macOS|macOS]] * [[Installation on Linux|Linux]] === Hello, World! === Let's start by creating a simple "Hello, World!" program in Elixir. Open your preferred text editor and create a new file called "hello.exs" with the following content: ```elixir IO.puts("Hello, World!") ``` Save the file and navigate to its location in the terminal or command prompt. Run the program using the following command: ``` elixir hello.exs ``` You should see the output "Hello, World!" printed on the screen. Congratulations! You have successfully written and executed your first Elixir program. === Functional Programming === Elixir follows a functional programming paradigm, which means it treats computation as the evaluation of mathematical functions and avoids changing data state. Some key concepts in functional programming include: * [[Immutable Data|Immutable data]] * [[Pure Functions|Pure functions]] * [[Recursion|Recursion]] * [[Pattern Matching|Pattern matching]] Understanding these concepts will help you write clean, concise, and maintainable code in Elixir. === Concurrency and Distribution === One of Elixir's strengths lies in its support for concurrency and distribution. It leverages the powerful concurrency model of the Erlang/OTP platform to build fault-tolerant and scalable applications. Some topics to explore in this area include: * [[Processes and Concurrency|Processes and concurrency]] * [[OTP (Open Telecom Platform)|OTP]] * [[Message Passing|Message passing]] * [[Fault-Tolerance|Fault tolerance]] These concepts enable Elixir to easily handle thousands of concurrent processes, making it a great choice for building highly scalable systems. === Libraries and Frameworks === Elixir has a vibrant ecosystem with a wide range of libraries and frameworks that can accelerate your development process. Some popular choices include: * [[Phoenix Framework|Phoenix Framework]] * [[Ecto|Ecto]] * [[Nerves|Nerves]] * [[Plug|Plug]] Exploring these libraries and frameworks will help you build robust web applications, manage databases, develop embedded systems, and more. === Further Reading === To deepen your understanding of Elixir and its capabilities, check out these additional resources: * [[Syntax and Language Basics|Syntax and language basics]] * [[Metaprogramming|Metaprogramming in Elixir]] * [[Testing in Elixir|Testing in Elixir]] * [[Debugging Elixir Applications|Debugging Elixir applications]] * [[OTP Design Principles|OTP design principles]] The Elixir wiki is continuously being updated with new articles and tutorials, so remember to check back frequently for the latest information. Happy coding with Elixir!
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