All you do is define a function for each method.
您所做的就是为每个方法定义一个函数。
The logic for each method is now considerably simpler.
每一个方法的逻辑现在相当简单了。
A child class must provide an implementation for each method.
子类必须提供每个方法的实现。
Code examples for each method are included in the Downloads section.
末尾处的下载部分中包含各方法的示例代码。
Code examples for each method are included in the Downloads section.
末尾处的下载部分中包含各方法的示例代码。
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