I am using squeak4.1 for development, when I am looking up add method in method chain below: Kernel-Numbers -> Integer -> arithmetic -> + ,the method for adding is +, in + method I find sample code like this :
ifTrue: [^ (self digitAdd: t1) normalize].
我能知道我如何追踪到digitalAdd并在smalltalk中查看add方法的实现吗？首先谢谢！
当消息发送到self时，您可以查询Integer类本身的定义。为此，右键单击系统浏览器中的Integer，选择“查找方法”，然后在出现的搜索窗口中输入`digitalAdd。单击“接受”按钮。这将显示消息定义。
您也可以使用Squeak中的搜索功能。（主菜单栏上的搜索框）。
Select string digitAdd: in text editor, and press Alt-m shortcut or right-click and in opened menu find implementors of it . This will open a window with all methods in all classes in system which implement given message.
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