> and in particular how the implementation finds out where its own instances >> are located. >> > > I think we've discussed this before, but I don't think this is feasible to > solve in general given the diversity of wrapped APIs. If you want to find > the arguments in which a class' own instances appear, you will need to do > that in your overloaded function. > > That said, if merely pulling out the flat list of arguments that are > checked for and/or implement __array_function__ would be enough, we can > probably figure out a way to expose that information. >
In the end, somewhere inside the "dance", you are checking for `__array_function` - it would seem to me that at that point you know exactly where you are, and it would not be difficult to something like ``` types[new_type] += [where_i_am] ``` (where here I assume types is a defaultdict(list)) - has the set of types in keys and locations as values. But easier to discuss whether this is easy with some sample code to look at! -- Marten
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