Function compare

scripts/fungrim/compile-rules.ts:636–646

(
          v: Expression,
          b: Expression
        )

          if (v === undefined) return false;
          try {
            return pred.subs(sub).evaluate().json === 'True';
          } catch {
            return false;
          }
        };
      }
      case 'cmp': {
        const bound = boxGuardExpr(g.bound);
        const compare = (
          v: Expression,
          b: Expression
        ): boolean | undefined =>
          g.op === 'gt'
            ? v.isGreater(b)