DataConWorkId dc -> get_main_name (ATyCon (dataConTyCon dc))
DataConWrapId dc -> get_main_name (ATyCon (dataConTyCon dc))
RecordSelId lbl -> get_main_name (ATyCon (fieldLabelTyCon lbl))
DataConWorkId dc -> get_main_name (ATyCon (dataConTyCon dc))
DataConWrapId dc -> get_main_name (ATyCon (dataConTyCon dc))
RecordSelId lbl -> get_main_name (ATyCon (fieldLabelTyCon lbl))