[forty]

Everyone seems to act like the only option is to rewrite everything or nothing. Isn't possible to have rust and C talk to each other, and progressively rewrite the most relevant parts of the code in rust?

[erik_seaberg]

You could make a case for sharing a wasm-style byte array with a C subprocess, but Rust objects won't be safe if C can address them.

[steveklabnik]

Yes, and was part of the core design of the language; that's how it's worked with Firefox.