rlua 0.14.2

High level bindings to Lua 5.3
Documentation 
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extern crate rlua;

use rlua::*;

fn main() {
    let lua = Lua::new();
    let globals = lua.globals();

    // Should not allow userdata borrow to outlive lifetime of AnyUserData handle
    struct MyUserData;
    impl UserData for MyUserData {};
    let userdata_ref;
    {
        let touter = globals.get::<_, Table>("touter").unwrap();
        touter
            .set("userdata", lua.create_userdata(MyUserData).unwrap())
            .unwrap();
        let userdata = touter.get::<_, AnyUserData>("userdata").unwrap();
        userdata_ref = userdata.borrow::<MyUserData>();
        //~^ error: `userdata` does not live long enough
    }
}