记录发送到nil的消息? [英] Log a message send to nil?

问题描述

我知道消息nil并不是错误，并且通常不是问题，但是有时会很高兴看到警告记录在控制台上.

I know that messaging nil is not an error, and generally it's not an issue, but at times it would be nice to see a warning logged to the console when it happens.

推荐答案

You could, once upon a time. I don't know if it still works, or if it ever worked on iOS.

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