Proof of Concept Plugin system for rust

core.rs

extern crate libloading as lib;
extern crate libplugin as plugin;

use plugin::Plugin;

fn main() {
    let lib = lib::Library::new("plugins/libtestplugin.so").unwrap();
    unsafe {
        let func: lib::Symbol<unsafe fn() -> Box<Plugin>> = lib.get(b"gimme_pluginz\0").unwrap();
        let plugin: Box<Plugin> = func();
        plugin.test();
    }

}

libplugin.rs

pub trait Plugin {
    fn test(&self);
}

#[macro_export]
macro_rules! plugin {
    ($struct:ty) => {
        #[no_mangle]
        pub fn gimme_pluginz() -> Box<Plugin> {
            Box::new($struct::new())
        }
    }
}

testplugin.rs

#[macro_use] extern crate libplugin;

use libplugin::Plugin;

struct MyPlugin;

impl MyPlugin {
    fn new() -> MyPlugin {
        MyPlugin
    }
}

impl Plugin for MyPlugin {

    fn test(&self) {
        println!("test");
    }
}

plugin!(MyPlugin);