Function check

test/compute-engine/ascii-math.test.ts:6–9

(s: string | Expression)

const ce = engine;

function check(s: string | Expression): string {
  if (typeof s === 'string') return ce.parse(s).toString();
  return ce.expr(s).toString();
}

// Check serialization of ASCII math using toString()
describe('NUMBERS', () => {