question: generic equality comparison . concode_field_sep Hashtable _all concode_field_sep Enumeration all concode_elem_sep boolean add concode_elem_sep boolean add concode_elem_sep boolean contains concode_elem_sep int size concode_elem_sep void not_null concode_elem_sep int hashCode concode_elem_sep boolean is_superset_of concode_elem_sep boolean is_subset_of concode_elem_sep String toString concode_elem_sep void remove concode_elem_sep void remove
target: boolean function ( Object arg0 ) { if ( ! ( arg0 instanceof symbol_set ) ) return false ; else return equals ( ( symbol_set ) arg0 ) ; }