This code also demonstrates one way to specify arguments to a callback: as an anonymous list, with a reference to the callback invoked as the first element, followed by the required parameters.

此代码还举例说明了指定回调的参数的一种方法：作为一个匿名列表，具有到作为第一个参数的回调的引用，随后是所需的参数。

youdao

This code also demonstrates one way to specify arguments to a callback: as an anonymous list, with a reference to the callback invoked as the first element, followed by the required parameters.

此代码还举例说明了指定回调的参数的一种方法：作为一个匿名列表，具有到作为第一个参数的回调的引用，随后是所需的参数。

youdao