vyre-lower 0.6.1

use serde::{Deserialize, Serialize};

/// Generic candidate list emitted by a lowered-IR analysis.
///
/// Analysis-specific modules own the candidate payload type; this shared
/// container keeps the report shape stable across optimization analyses.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct CandidatePlan<Candidate> {
    /// Kernel descriptor id analyzed.
    pub kernel_id: String,
    /// Ordered candidates found by the analysis.
    pub candidates: Vec<Candidate>,
}

impl<Candidate> CandidatePlan<Candidate> {
    /// Number of optimization candidates in this plan.
    #[must_use]
    pub fn candidate_count(&self) -> usize {
        self.candidates.len()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn empty_plan_has_zero_candidates() {
        let plan: CandidatePlan<u32> = CandidatePlan {
            kernel_id: "k".into(),
            candidates: vec![],
        };
        assert_eq!(plan.candidate_count(), 0);
    }
}