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I'd say yes (to both lineno/col_offset). And yeah that sounds like what I had in mind (a helper function).
If I'm specific for a moment about implementation, perhaps something like `ast.diff`, which yielded tuples of differing nodes (in say, breadth first order down the tree) from two given nodes, and took args for configuration, compare_lineno and compare_col_offset (both defaulted to True), and then __eq__ was just `next(ast.diff(self, other, compare_lineno=True, compare_col_offset=True), None) is None`.
Sound good to you?