Matlab, Rust.
separate wrapper file or module. Create a file src/wrapper.rs and add the following code: use std::ffi::c_ulonglong; use crate::add; #[no_mangle] pub extern "C" fn add_ffi(left: c_ulonglong, right: c_ulonglong ) -> c_ulonglong { add(left as usize, right as usize) .try_into().unwrap() } Let’s break