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Ruby is a wonderful language, but sometimes, you need a little extra oomph. While C extensions are a great way to improve performance-sensitive parts of your application, you can use other languages too. In this talk, Steve will show off the Rust programming language and how to integrate it with Ruby. Rust is a systems language focused on safety, speed, and concurrency, and compliments Ruby nicely.
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The video titled "Using Rust with Ruby" features Steve Klabnik discussing the integration of the Rust programming language with Ruby at the Ancient City Ruby 2016 conference. Klabnik emphasizes that while Ruby is a beloved language, certain performance-sensitive applications can benefit from combining it with Rust, a systems language renowned for its safety, speed, and concurrency. ### Key Points Discussed: - **Introduction to Systems Programming:** Klabnik defines systems programming, referencing a definition by Yehuda Katz that highlights its importance. He addresses common misconceptions about systems programming being exclusive to lower-level languages like C and notions that it is intrinsically difficult. - **Performance Concerns:** The speaker discusses where Ruby's perceived slowness might not be a critical issue for many applications, but acknowledges instances where control over performance, memory usage, and execution speed becomes essential. - **Rust's Advantages:** Klabnik outlines how Rust provides a balance between safety and speed, noting that while C offers high performance, it also risks dangerous errors. Rust aims to achieve efficiency similar to C while maintaining Ruby's safer programming experience through compile-time checks. - **Integration Techniques:** He illustrates how to set up a Ruby gem that compiles Rust code, noting that Rust functions can be called from Ruby by treating Rust as a C library. This involves creating a shared library and using Ruby's `extconf.rb` for configuration. - **Demonstration of Interoperability:** Klabnik aims to demonstrate a simple "Hello, World!" integration, emphasizing Rust's tooling, which is similar to Ruby’s, and showing how they can work together seamlessly. - **Advanced Integration Options:** He encourages using Ruby's Fiddle library to dynamic load shared libraries instead of more complex C extensions, enhancing integrative potential. - **M Ruby Project:** Klabnik introduces M Ruby, a project aimed at embedding Ruby in other languages like Rust, expanding the possibilities for developers. ### Conclusions and Takeaways: - The integration of Rust with Ruby allows developers to harness the strengths of both languages effectively, enhancing performance without sacrificing the usability of Ruby. - Klabnik invites attendees to explore the integration techniques discussed and fosters an encouraging environment for developers to embrace Rust as a complement to their Ruby skills. - The presentation closes with enthusiasm for the Ruby programming community and the potential for cross-language collaboration.
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