Created by: Durman
https://github.com/nortikin/sverchok/blob/89b770b3b27805d85ba2f83f569a0e0897692ccc/core/sockets.py#L349-L364
In a test tree execution of this method takes 1% of whole time. It seems that it's probably too expensive for just getting name of a default value. I'm not sure which solution can be proposed here.
