[Python-Dev] Proposed iterator representations

[Brett C.]

Raymond Hettinger wrote:

> For xrange iterators, there are a few choices:
> 
> 
>>>>it = iter(xrange(10, 20, 2))
> 
> iter(xrange(10, 20, 2))
>      or
> rangeiterator(10, 20, 2)
>      or
> <rangeiterator start=10, stop=20, step=2>
> 
> The first is my favorite.  Though odd looking, it can be run through
> eval() and is completely self-documenting.  The second has the virtue of
> using the actual type name but it cannot be run through eval().  The
> third is closer to the current format but adds some information.
> 

Third.  If I am at the interpreter I want information presented to me in 
the best way possible.  If I need to type it in again I have readline 
and a command history for that.  =)

> 
> For dictionaries, lists, tuples, and reversed, there are similar choices
> but the eval() version can only be supported with a full listing of the
> parent object:
> 
<SNIP>
> 
> What do you guys think?
> 

As mentioned above, I want the information presented in the most 
informative way and not worry about the repr output.

-Brett