1 .-----------------------------. 2 | #[cxx::bridge] mod | 3 | description of boundary | 4 '--------------+--------------' 5 | 6 | 7 "Macro expansion" | "Code generation" 8 +---------------+---------------+ 9 Safe | | 10 straightforward v v Straightforward 11 "Rust APIs".----------------. "Hidden C ABI".---------------. "C++ APIs" 12Rust <----------->| "Rust bindings"|<~~~~~~~~~~~~~>| "C++ bindings"|<-----------> "C++" 13code '----------------' '---------------' code 14