Here's the GCC implementation of `std::function`: https://github.com/gcc-mirror/...

		fredrikholm 81 days ago \| parent \| context \| favorite \| on: Simplest C++ Callback, from SumatraPDF Here's the GCC implementation of `std::function`: https://github.com/gcc-mirror/gcc/blob/master/libstdc%2B%2B-... I'm with OP here.