Include variable value when throwing exception

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Jurgen vL 2019-5-21

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https://ww2.mathworks.cn/matlabcentral/answers/463288-include-variable-value-when-throwing-exception

评论： Marc Youcef 2020-3-22

I have a function that throws a specific exception, and a try/catch block in a top-level function that handles it. I want to pass along the value of some variables in addition to the error message for debugging purposes. Typically cell array, string array or numerical matrix.

I'm guessing I would have to create a custom exception class for this?

Follow-up: Why is the default MException so restrictive? Is error handling like I described a bad practice?

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Marc Youcef 2020-3-22

I was looking for same thing as well. I hav objects being instantiated in a loop and when it fails I would like to know which index of instantiation failed.

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