I'm writing a foreign function interface (ffi) to expose the API of a pre-existing C++ library to some new Rust code I am writing. I am using the Rust cxx module for this. I am running into some pr...

I have C++ code that calls Rust code with data. It knows which object to send the data to. Here's an example of the Rust function that C++ calls back: extern "C" fn on_open_vpn_receive( ...

There is a new Pin type in unstable Rust and the RFC is already merged. It is said to be kind of a game changer when it comes to passing references, but I am not sure how and when one should use it...

I'm trying to use the new Pin feature. After reading this blog post, I've started to write some code: #![feature(pin, arbitrary_self_types)] use std::mem::Pin; pub struct Foo { var: i32, } pub ...