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note about nullptr default args

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Wenzel Jakob 2016-03-03 12:03:30 +01:00
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docs/advanced.rst
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@ -1007,6 +1007,15 @@ default argument manually using the ``arg_t`` notation:
py::class_<MyClass>("MyClass") py::class_<MyClass>("MyClass")
.def("myFunction", py::arg_t<SomeType>("arg", SomeType(123), "SomeType(123)")); .def("myFunction", py::arg_t<SomeType>("arg", SomeType(123), "SomeType(123)"));
Sometimes it may be necessary to pass a null pointer value as a default
argument. In this case, remember to cast it to the underlying type in question,
like so:
.. code-block:: cpp
py::class_<MyClass>("MyClass")
.def("myFunction", py::arg("arg") = (SomeType *) nullptr);
Partitioning code over multiple extension modules Partitioning code over multiple extension modules
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