Worked on the carbon-language/explorer repository to enhance runtime safety and parameter handling within the PopNameComponent. Focused on compiler development and static analysis using C++, the work involved introducing explicit parameter validation to ensure that last_param_node_id always receives a value, thereby preventing potential runtime errors. By adding checks for the existence of explicit parameters, the update enforced critical invariants and improved the reliability of parameter processing. This approach demonstrated a commitment to defensive programming and code quality, contributing to the maintainability of the codebase. The work addressed a key bug, strengthening the overall stability of the explorer project’s runtime behavior.