Elixir and its lab by Cédric Paumard

January 19, 2023

Cédric Paumard’s presentation on Elixir and its lab provided a deep dive into the language’s origins, evolution, and practical applications. Rather than a conventional talk focused solely on syntax and features, Cédric adopted an innovative approach, using a science fiction tree to illustrate Elixir’s complexity. He explored Elixir’s core concepts, including its relationship with OTP and Erlang, its compilation process, and rapid process spawning capabilities. Cédric also delved into Elixir’s documentation generation and testing tools, highlighting its seamless integration with Markdown and Xdocs, as well as essential testing frameworks like XUnit. Additionally, Cédric unveiled the power of Elixir’s frameworks, particularly Phoenix, showcasing features like Live View and Live Book for real-time web interactions and collaborative coding. Throughout the presentation, Cédric shared personal reflections on his journey with Elixir, emphasizing its quick learning curve and encouraging continuous learning and experimentation.

Elixir and its lab: A comprehensive overview

Cédric Paumard shared his expertise on Elixir and its extensive ecosystem. With a blend of gratitude, technical insights, and personal anecdotes, Cédric ‘s presentation offers a deep dive into the capabilities and nuances of Elixir, highlighting its evolution, core features, and real-world applications.


Delving into Elixir’s origins and evolution

Cédric outlined the foundations of Elixir, describing it as a functional and type-compiled concurrency language built on the Erlang Virtual Machine (BEAM). Drawing from his years of experience with Elixir, Cédric highlighted its robustness, scalability, and lineage from Erlang, setting the stage for a detailed exploration of its unique features.


Unveiling the complexity of Elixir

Rather than a traditional presentation solely focused on Elixir syntax and features, Cédric opted for a more innovative approach. He introduces the concept of a science fiction tree, a visual representation of the genre’s evolution, to illustrate Elixir’s complexity and depth. This unconventional approach provides a holistic understanding of Elixir’s historical roots, from its origins in telephony to its modern-day applications in web development and beyond.


Diving into Elixir’s Core Concepts and Tools

Cédric delved into Elixir’s core concepts, emphasizing its symbiotic relationship with the Open Telecom Platform (OTP) and the Erlang ecosystem. He elucidated Elixir’s compilation process, abstract machine, and rapid process spawning capabilities, showcasing its suitability for managing teams and scaling projects. Through practical demonstrations and code examples, Cédric demystified Elixir’s syntax and introduced attendees to an essential tool like Mix.


Exploring Elixir’s documentation and testing tools

As the presentation progressed, Cédric delved into Elixir’s documentation generation capabilities, highlighting its seamless integration with Markdown and Xdocs. He underscored the importance of comprehensive testing in Elixir development, introducing attendees to tools like XUnit and Xcoveralls for testing and code coverage analysis. Cédric ‘s hands-on approach provides practical insights into maintaining code quality and documentation standards in Elixir projects.


Unveiling the power of Elixir’s frameworks

Cédric shed light on Elixir’s powerful frameworks, with a particular focus on Phoenix and its innovative features like Live View and Live Book. This gives a deeper understanding of how Live View enables real-time web interactions without JavaScript, while Live Book facilitates collaborative coding and documentation creation. Cédric’s exploration of these frameworks showcased Elixir’s versatility and adaptability for modern web development.


Reflecting on Elixir’s learning curve and future

Throughout the presentation, Cédric shared personal anecdotes and reflections on his journey with Elixir, from learning the language to applying it in real-world projects. He emphasized Elixir’s quick learning curve and encourage people to dedicate time to exploring the language’s unique features and capabilities. Cédric concluded by expressing optimism about Elixir’s future, highlighting ongoing efforts to implement a strong type system.



Cédric Paumard’s presentation on Elixir and its lab provides a comprehensive overview of the language’s evolution, core concepts, and practical applications. Through innovative storytelling, practical demonstrations, and personal insights, Cédric demystified Elixir’s complexity and showcased its potential for building robust, scalable, and real-time applications.


Additional resources

Check out more from the MeetUp Func Prog Sweden. Func Prog Sweden is the community for anyone interested in functional programming. At the MeetUps the community explore different functional languages like Erlang, Elixir, Haskell, Scala, Clojure, OCaml, F# and more.