use serde::{Deserialize, Deserializer};

#[derive(Debug, Clone, Copy)]
pub enum Driver {
    Gpio,
    Piface,
}

impl<'de> Deserialize<'de> for Driver {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de> {
        match String::deserialize(deserializer)?.as_str() {
            "gpio" => Ok(Driver::Gpio),
            "piface" => Ok(Driver::Piface),
            _ => Err(serde::de::Error::custom("invalid driver")),
        }

    }
}