[Python-3000] PEP 3106: Revamping dict.keys(), .values() and .items()

[Greg Ewing]

Talin wrote:

> 2) Names for d_keys, et al:
> 
>    -- map_keys_view
>    -- map_values_view
>    -- map_keys_values_view or map_items_view

I didn't think we were going to attempt to implement
any of these generically. I thought each type would
provide its own implementations tuned to the details
of its internals.

--
Greg