A generator will be converted to a tuple right now. If it's an infinite generator, it will cause the merge to hang forever. Generators should be caught and treated as scalars when doing a default merge, because it's not possible to know the correct behavior and account for it generically in the default library.
A generator will be converted to a tuple right now. If it's an infinite generator, it will cause the merge to hang forever. Generators should be caught and treated as scalars when doing a default merge, because it's not possible to know the correct behavior and account for it generically in the default library.