Connection

test.rs

struct Connection
{
	active: *mut bool,
	payload: *mut c_void,
	callback: fn(*mut c_void),
}

impl Connection
{
	pub fn new(payload: *mut c_void, callback: fn(*mut c_void)) -> (Connection, Connection)
	{
		let active = unsafe
		{
			cast::transmute(~true)
		};
		(Connection{ active: active, payload: payload, callback: callback },
		 Connection{ active: active, payload: payload, callback: callback })
	}
}

impl Drop for Connection
{
	fn drop(&mut self)
	{
		if unsafe{ *self.active }
		{
			unsafe
			{
				*self.active = false;
			}
			(self.callback)(self.payload);
		}
		else
		{
			let _active: ~bool = unsafe { cast::transmute(self.active) };
		}
	}
}