Dmitry Yershov comments

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                                            Dmitry Yershov

Unable to pass python callback to C++

A few updates. First, the bug persists even after installing `cppyy` from sources, i.e., rebuilding the backend from scratch. Second, I'm using Arch Linux with both gcc and clang installed:...

Unable to pass python callback to C++

@wlav, I found a related issue https://github.com/root-project/root/issues/12294#issuecomment-1435904083 BTW, is it possible to point cling to a custom toolchain, system and STL headers, and compiled objects?

Python function returning an instance of STL container cannot be wrapped in `std::function`

Thanks @wlav . Does that mean, it's not possible (yet)?

Python function returning an instance of STL container cannot be wrapped in `std::function`

@wlav I found a solution. Clunky, but works: ```Python import cppyy import cppyy.gbl as cpp cppyy.cppdef(r"""\ template struct Function { virtual ~Function() = default; virtual R run(Args... args) const =...

Python function returning an instance of STL container cannot be wrapped in `std::function`

That's great. I didn't know that raw function pointers are not susceptible to this problem. Thanks!