engine.rs

// src/engine.rs
use std::ffi::c_void;
use crate::bindings::engine_factory;

pub struct Engine {
    ptr: *mut c_void
}

impl Engine {
    pub fn new() -> Engine {
        unsafe {
            Engine {
                ptr: engine_factory()
            }
        }
    }
}
impl Drop for Engine {
    // RAII (free the memory when the Engine struct goes out of scope)
    fn drop(&mut self) {
        unsafe {libc::free(self.ptr);}
    }
}