Function cellOf

benchmarks/report_changelog.mjs:65–65

(id, tk)

const NONE = '—';

const cellOf = (id, tk) => matrix[id]?.[tk] || null;
const isCorrect = (id, tk) => cellOf(id, tk)?.verdict?.v === 'correct';
const timeOf = (id, tk) => {
  const r = cellOf(id, tk)?.res;