Le 15/03/2015 21:16, Simon King a écrit :
Hi Vincent,
On 2015-03-15, Vincent Delecroix <20100.delecr...@gmail.com> wrote:
But in that very particular case, just evaluating the string
representation in GAP gives you back the same group
Yes, "in *that* very particular case". So, it is not possible to make a
*general* pickling method for GAP-related objects. String representation
sometimes works, sometimes doesn't. Of course, if you implement
something where the pickling-by-representation happens to work, then you
can exploit it.
If pickling gap objects is so fragile, and works only by luck, accident
or both, perhaps a doctest should be added to any code which expects it
to work -- to check that a later gap upgrade still satisfies this
welcome coincidence ?
Snark on #sagemath
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