Evaluates the ability to write a polyglot program that compiles and runs correctly as both Rust and C++…

Evaluates the ability to write a polyglot program that compiles and runs correctly as both Rust and C++…: a task in Terminal-Bench 2.1 (Harbor git-repos dataset) (Harbor dataset). Write me a single file in /app/polyglot/main.rs which is a polyglot, that is, I can run