Rust inverter chip (prototype API)

lib.rs

// Wokwi Custom Chips with Rust

use wokwi_chips_api::println;
use wokwi_chips_api::pin::{Pin, PinMode, WatchEdge};

// chipInit() will be called once per chip instance.
#[no_mangle]
pub unsafe extern "C" fn chipInit() {
    println!("Hello from Rust Chip!");

    let pin_in = Pin::new("IN", PinMode::Input);
    let pin_out = Pin::new("OUT", PinMode::Output);
    pin_out.write(!pin_in.read());

    pin_in.watch(WatchEdge::Both, move |_pin, value| {
        pin_out.write(!value);
    });
}