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I’m using Boost to embed Python in my application. For example, I want to check that the following function receives an integer and a string as the first and second parameters (the function is defined in C++).
someFunction(123, 'words')
If I find that the parameters are incorrect, how can I notify the scripter about which line they need to correct, for example?
Raise an exception with all the information you want them to know, just like you would in Python. In fact, that answer seems so obvious, it makes me think I’m missing something in your question.