On Tuesday, April 14, 2015 at 12:43:49 PM UTC+2, vdelecroix wrote:
>
> If you want to do math, use `.cardinality()`
If you want to do computer programming, then use plain Python and import
whatever parts of Sage you want.
Moreover there is a nice difference between `len(S)` and
> `S.cardinali
On 14/04/15 12:38, Volker Braun wrote:
The behavior of len is just a CPython implementation detail. One that is
perfectly fine if you have actual containers but really crappy if you want
to do math. Its not like we would break len, it is still in line with the
Python docs.
If you want to do mat
The behavior of len is just a CPython implementation detail. One that is
perfectly fine if you have actual containers but really crappy if you want
to do math. Its not like we would break len, it is still in line with the
Python docs.
On Tuesday, April 14, 2015 at 12:25:58 PM UTC+2, vdelecroix
On 14/04/15 12:20, Volker Braun wrote:
The output of the magic __len__ method must be a (non-long) int in CPython.
So > 64-bit integers are not supported.
On the commandline we should probably overwrite len with a version that
looks at cardinality() first
I am very against overriding more
