mod ps {
    #[repr(C)]
    #[derive(Debug)]
    pub struct PowerSocket {
        power_rate: f32,
        on: bool,
    }
    // #[link(name = "power_socket_lib", kind = "static")]
    unsafe extern "C" {
        pub fn power_socket_new(power_rate: f32, on: bool) -> PowerSocket;

        pub fn power_socket_is_on(power_socket: &PowerSocket) -> bool;

        pub fn power_socket_set_on(power_socket: &mut PowerSocket, on: bool);

        pub fn power_socket_get_power(power_socket: &PowerSocket) -> f32;
    }
}

use ps::*;

fn main() {
    let mut power_socket = unsafe { power_socket_new(12.0, false) };
    println!("call power_socket_new -> {:?}", power_socket);

    println!("call power_socket_is_on -> {:?}", unsafe { power_socket_is_on(&power_socket) });
    println!("call power_socket_get_power -> {:?}", unsafe { power_socket_get_power(&power_socket) });

    unsafe { power_socket_set_on(&mut power_socket, true) };
    println!("call power_socket_set_on(&ref, true)");

    println!("call power_socket_is_on -> {:?}", unsafe { power_socket_is_on(&power_socket) });
    println!("call power_socket_get_power -> {:?}", unsafe { power_socket_get_power(&power_socket) });
}