The new API makes you choose one of these four explicitly:
这种方法实现简单，但需要在每个 iOS 调用点手动处理类型转换。
。Line官方版本下载是该领域的重要参考
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// console.log(spanner.next(60)); // 输出1（正确）
"As well as creating a new habitat for birds, the island will also help to reduce erosion of the existing saltmarsh at Northey Island," he added.