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Elixir Embraces Python: Pythonx Brings Multilingual Programming to Livebook

2025-02-25

To address the challenge of integrating Elixir with existing Python ecosystems in data science, this article introduces the Pythonx project. Pythonx embeds the Python interpreter within the Erlang VM, enabling automatic data conversion and code evaluation between Elixir and Python, and simplifying virtual environment management. With Pythonx, developers can seamlessly mix Elixir and Python code within Livebook notebooks, significantly improving development efficiency and enhancing Livebook's practicality. The article also discusses potential issues like the GIL and alternative solutions, and introduces Fine, a C++ library for simplifying NIF development.

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Elixir's Set-Theoretic Types: Solving the Data Evolution Problem for Libraries

2025-01-14

This article explores how set-theoretic types in Elixir can address the backward compatibility challenges of evolving public data definitions in libraries within statically typed languages. The author illustrates the limitations of existing type systems when handling data structure evolution with an example of interoperability between C and Rust libraries. A solution based on structural subtyping and revisioning is proposed, allowing libraries to extend data structures without breaking existing users. This solution leverages the compiler for automatic type safety verification and supports the coexistence of different data versions across libraries and applications.