> show me a really big project using mainly Rust now, as there are uncountable using C++ For starters, the Rust compiler is self hosted and is written in Rust.

> show me a really big project using mainly Rust now, as there are uncountable using C++ For starters, the Rust compiler is self hosted and is written in Rust. Many important parts of Firefox are written in Rust. The Linux kernel just added support for Rust. A moment's Googling could turn up plenty of other examples.