Function finalValue

test/compute-engine/rule-aggregation.test.ts:104–107

(set: BoxedRuleSet, expr: BoxedExpression)

  });

  const finalValue = (set: BoxedRuleSet, expr: BoxedExpression) => {
    const steps = replace(expr, set, REPLACE_OPTS);
    return steps.length ? steps[steps.length - 1].value : expr;
  };
  const trailingBecause = (set: BoxedRuleSet, expr: BoxedExpression) => {
    const steps = replace(expr, set, REPLACE_OPTS);
    return steps.length ? steps[steps.length - 1].because : null;