Edoardo Marangoni enhanced data layout parsing across the rust-lang/rust, rust-lang/rust-clippy, and rust-lang/rust-analyzer repositories by implementing support for p- specifications and custom default data address spaces. Leveraging Rust and low-level systems programming skills, he unified pointer-size calculations with the datalayout string, ensuring consistent memory layout decisions and improved reliability for multi-architecture builds. His work focused on compiler development and data layout management, enabling more accurate linting and analysis tools. By standardizing these features across the Rust toolchain, Edoardo addressed configuration errors and improved portability, demonstrating a deep understanding of compiler design and cross-repository integration.