Pierre worked on the propeller-heads/tycho-indexer repository, delivering a macro-based enhancement to the Price struct that streamlines code usability and maintainability. By leveraging Rust’s macro system and focusing on struct design, Pierre reduced boilerplate and enabled safer, more consistent usage of the Price struct across multiple modules. This approach not only simplified future refactoring but also improved the speed of feature delivery by providing a more robust interface for developers. Although no bugs were fixed during this period, the work demonstrated a thoughtful application of Rust and macro techniques to address cross-module consistency and long-term codebase health.