#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![allow(dead_code)]
trait ResType {}
struct ParamType;
mod foreign_lib {
    pub fn new(_: usize) -> *mut () {
        42 as *mut ()
    }
    pub fn do_stuff(_: *mut (), _: usize) {}
}
fn convert_params(_: ParamType) -> usize {
    42
}
use std::marker::PhantomData;
struct ExternalResource<R> {
    resource_handle: *mut (),
    resource_type: PhantomData<R>,
}
impl<R: ResType> ExternalResource<R> {
    fn new() -> Self {
        let size_of_res = size_of::<R>();
        Self {
            resource_handle: foreign_lib::new(size_of_res),
            resource_type: PhantomData,
        }
    }
    fn do_stuff(&self, param: ParamType) {
        let foreign_params = convert_params(param);
        foreign_lib::do_stuff(self.resource_handle, foreign_params);
    }
}
fn main() {}