The APIs that set watch points return an integer value, which is the watch point number that was just set.

设置观察点的API 将返回一个整数型值，即刚刚设置的观察点数字。

youdao

self y Notice what I also do here, I create self dot y, give it a value, and then, oh cool, I can also set up what's the radius and angle for this point, by just doing a little bit of work.

我创建了，然后给它赋值，然后，噢太酷了，通过做一点额外的工作,就可以得到点的半径和角度了，好，实际上如果。

youdao

An often cited technique is to add a dummy value converter and then set a break point within it.

另一个常用的技术是增加一个假值转换器，然后在其中设定断点。

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