Interface Serializer

src/todo/core.rs:66–77

// impl Serializer for TodoItem {}

pub trait Serializer
where
    Self: Sized + Serialize + for<'a> Deserialize<'a>,
{
    fn serialize(&self) -> String {
        serde_json::to_string(self).unwrap()
    }

    fn deserialize<S: Into<String>>(s: S) -> Self {
        serde_json::from_str(&s.into()).unwrap()
    }
}

impl Serializer for TodoItem {}