Jason Rhinelander 93e3eac6f9 Defer None loading to second pass ... Many of our `is_none()` checks in type caster loading return true, but this should really be considered a deferral so that, for example, an overload with a `py::none` argument would win over one that takes `py::none` as a null option. This keeps None-accepting for the `!convert` pass only for std::optional and void casters. (The `char` caster already deferred None; this just extends that behaviour to other casters).		2017-05-10 10:44:19 -04:00
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pybind11	Defer None loading to second pass	2017-05-10 10:44:19 -04:00