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new_callback inserts data into the user provided userdata parameter.
This opcode will be replaced with one of identical function with the exception of a new output parameter that provides a wrapping userdata object so that parrot's callback system does not trample over user's objects.
Can you give us an update on the status of this ticket?
Thank you very much.
There are many changes that the native interface system needs. This is a less pressing one, ceding to the needs of structures and call-ins.