Function flush

packages/react-reconciler/src/__tests__/ReactNewContext-test.js:1456–1464

(unitsOfWork)

    const FLUSH = 'FLUSH';
    function flush(unitsOfWork) {
      return {
        type: FLUSH,
        unitsOfWork,
        toString() {
          return `flush(${unitsOfWork})`;
        },
      };
    }

    const UPDATE = 'UPDATE';
    function update(key, value) {