For many years, C has effectively been the “lingua franca” of the computing world. It’s pretty hard to combine code from two different programming languages in the same process–unless one of them is C. The same could theoretically be true for Rust, but in practice there are a number of obstacles that make that harder than it needs to be. Building out silky smooth language interop should be a core goal of helping Rust to target foundational applications. I think the right way to do thi...
