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clarified pickling docs

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Wenzel Jakob 2016-04-13 13:30:05 +02:00
parent 3d0e6fff25
commit d40885a1e6
1 changed files with 5 additions and 2 deletions
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docs/advanced.rst
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@ -1225,7 +1225,8 @@ looks as follows:
if (t.size() != 2)
throw std::runtime_error("Invalid state!");
/* Invoke the constructor (need to use in-place version) */
/* Invoke the in-place constructor. Note that this is needed even
when the object just has a trivial default constructor */
new (&p) Pickleable(t[0].cast<std::string>());
/* Assign any additional state */
@ -1247,7 +1248,9 @@ An instance can now be pickled as follows:
Note that only the cPickle module is supported on Python 2.7. It is also
important to request usage of the highest protocol version using the ``-1``
argument to ``dumps``.
argument to ``dumps``. Failure to follow these two steps will lead to important
pybind11 memory allocation routines to be skipped during unpickling, which will
likely cause memory corruption and/or segmentation faults.
.. seealso::