This simplifies zero-initializing `PointerRNA` in structs even when just `RNA_types.hh` is included. Previously, one had to use `RNA_access.h` to access it. It's also `constexpr` now which can have small performance benefits in theory.
This simplifies zero-initializing `PointerRNA` in structs even when just `RNA_types.hh` is included. Previously, one had to use `RNA_access.h` to access it. It's also `constexpr` now which can have small performance benefits in theory.