use std::rc::Rc;

#[derive(Clone, Debug)]
pub enum Value {
    Int(i32),
    String(Rc<str>),
    Null,
}

impl Default for Value {
    fn default() -> Value {
        Value::Null
    }
}

impl Value {
    pub fn unwrap_int(&self) -> i32 {
        match self {
            Value::Int(i) => *i,
            _ => panic!("Attempt to unwrap Int; found {:?}", self),
        }
    }

    pub fn unwrap_string(&self) -> &Rc<str> {
        match self {
            Value::String(s) => s,
            _ => panic!("Attempt to unwrap String; found {:?}", self),
        }
    }
}