The problem seems to be that SliceIndexNode.analyse_as_type returns just None, thus visit_FuncDefNode throws an error in the cython.locals analysis part. Since a slice can be viewed as a type in the context of cython.locals and cython.declare, analyse_as_type shouldn't return None.
This is my first contact with cython codebase so this is as far as I'm going for the time being. But with appropriate guidance I could figure out a fix, I guess. > PS: do you know of any workaround? Btw, by inspecting the code I have found a workaround using named types, that is the string representation of the type. I think the documentation for pure python mode should mention this possibility in the "C types" section, as it's a sure fallback for fancy types not directly supported as python objects. A good place to include this valuable information is after the caveat "A limited attempt is made to emulate these more complex types...". I should add that the documentation does include an example in which named types are used for signature annotations, though it's pretty elliptical. Cheers -- Carlos _______________________________________________ cython-devel mailing list cython-devel@python.org https://mail.python.org/mailman/listinfo/cython-devel
