Any type
Conversions from/to D types and XLOPER12
Deals with linking issues such as on Windows without having to link to the real implementations or dependent packages' unittest builds. Only for testing.
Utility to avoid top-level imports
MemoryManager.D
To avoid cyclic dependencies with module constructors
Autowrapping of D functions to be called from Excel. Generally this will be enough:
Autowrapping of D functions to be made available to call from Excel, plus helper functions for accessing Excel functionality.
For most users, xlld.wrap will be enough.