#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct RfcRef(pub &'static str);

#[derive(Clone, Debug, PartialEq, Eq)]
pub struct Warning {
    pub message: String,
    pub rfc_refs: Vec<RfcRef>,
    pub context: Option<String>,
}

impl Warning {
    pub fn new(message: impl Into<String>) -> Self {
        Self {
            message: message.into(),
            rfc_refs: Vec::new(),
            context: None,
        }
    }

    pub fn with_rfc_refs(mut self, refs: &[RfcRef]) -> Self {
        self.rfc_refs.extend_from_slice(refs);
        self
    }

    pub fn with_context(mut self, context: impl Into<String>) -> Self {
        self.context = Some(context.into());
        self
    }
}