[Python-Dev] Lazy unpacking for struct module

[Lukas Lueg]

> So I really can't see what harm it could do, except for
> maybe a tiny performance reduction in the case where you
> extract all the fields, or refer to extracted fields
> repeatedly.

Referring to the view-object multiple times should not be a problem
since the object can create and hold references to the unpacked values
it created; remember that they are all immutable.