Method clear

rpi/src/gpio.rs:87–91

(&mut self, pin: Pin)

    }

    fn clear(&mut self, pin: Pin) -> io::Result<()> {
        self.inputs.remove(&pin);
        self.outputs.remove(&pin);
        Ok(())
    }

    fn clear_all(&mut self) -> io::Result<()> {
        self.inputs.clear();