Worked on enhancing the hwy::Span utility in the google/highway repository by delivering Span Copy Efficiency and Type Deduction Improvements. Focused on optimizing memory management and runtime performance, the changes reduced redundant copies when wrapping containers and introduced template programming techniques to add type deduction guides. This allowed the value type to be inferred automatically based on the constness of the container, improving both compile-time safety and API usability. The work, implemented in C++, aimed to lower memory bandwidth usage, minimize allocations, and streamline downstream development, reflecting a strong emphasis on efficient, ergonomic, and maintainable code within the project’s scope.