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use super::rules::*;
use super::terms::*;
use serde::{Deserialize, Serialize};
use std::rc::Rc;
use std::sync::Arc;
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub enum Node {
Rule(Arc<Rule>),
Term(Term),
}
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct Trace {
pub node: Node,
pub children: Vec<Rc<Trace>>,
}
impl Trace {
pub fn term(&self) -> Option<Term> {
if let Node::Term(t) = &self.node {
Some(t.clone())
} else {
None
}
}
}
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct TraceResult {
pub trace: Rc<Trace>,
pub formatted: String,
}