[Python-3000] ordered dict for p3k collections?

[Georg Brandl]

Arvind Singh schrieb:
>      I hope that Python gets a sorteddict and a
>     sortedset. 
> 
> 
> It doesn't make sense for Python to have sorteddict or sortedset. You
> see, dict can have  keys which cannot be ordered (keys can be
> heterogeneous, in which case Py3K may raise TypeError; ordering doesn't
> make sense for the objects used as keys) and same goes for set elements.
> 
> Sorting makes sense only as a run-time operation, in which case, the
> programmer should be prepared to handle appropriate exceptions.
> 
> Btw, would you like a dict or set for which you have to handle
> exceptions at every insertion?

In the cases where you have to do that, you shouldn't be using a sorted
dict.

But why not better look at those other 95% of cases where the values are
uniformly typed and perfectly sortable?

Georg

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