code/__HELPERS/abstract_types.dm 
| /proc/get_abstract_types | Returns a list of all abstract typepaths for all datums |
|---|---|
| /proc/valid_subtypesof | Like subtypesof, but automatically excludes abstract typepaths |
| /proc/get_abstract_types | Returns a list of all abstract typepaths for all datums |
|---|---|
| /proc/valid_subtypesof | Like subtypesof, but automatically excludes abstract typepaths |