dispatch_data_empty A dispatch data object representing a zero-length memory region. Declaration#define dispatch_data_empty See AlsoCreating a Dispatch Data Objectdispatch_data_createdispatch_data_create_mapdispatch_data_create_concatdispatch_data_create_subrangedispatch_data_copy_regiondispatch_data_tOS_dispatch_dataDISPATCH_DATA_DESTRUCTOR_DEFAULTDISPATCH_DATA_DESTRUCTOR_FREE