另外因为在堆上存储的所有对象都需要额外的两个成员——类型对象指针(type object pointer)以及同步块索引(sync block index),所以也要把他们的字节数包括在内。
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这些事件标识了更改的类型,并包含指向所更改对象的指针。
These events identify the type of the change and contain a pointer to the object that was changed.
在这个方案中,对象由指针代表,而GtkWidget是GTK +层次结构中的基本类型——叫做类,其他类都从它派生而来。
In this scheme, objects are represented by Pointers, and GtkWidget is the basic type — called a class — in the GTK + hierarchy from which all other classes are derived.
每个元组的第一项是可调用对象(在这里是一个方法指针),第二项是 HTTP 请求类型,这种请求类型可以调用该方法。
The first item in each tuple is a callable object (in this case a method pointer) and the second is a HTTP request type that the method should be called for.
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