objective c - NSPointerArray access pointer fails -
i have code in cocoa library: -(nspointerarray *) getrequestsfromcalendar:(int) calid { nspointerarray * reqs=[[nspointerarray alloc] initwithoptions:nspointerfunctionsopaquememory]; for(int i=0;i<5; ++i){ request * newreq=new request(); [reqs addpointer:newreq]; } (nsuinteger i=0;i<5;++i) { void * ptr=[reqs pointeratindex:i]; std::cout<<*((request *) ptr)<<std::endl; } here have expected values printed "request1" "request1" "request1" "request1" "request1" return reqs; } when call function other cocoa library, , access nspointerarray, nspointerarray * array=[obj getrequestsfromcalendar:1] (nsuinteger i=0; i<[array count]; ++i) { void * ptr=[array pointeratindex:i]; std::cout<<*((request *) ptr)<<std::endl; } prints not expected values ????aod?)@"?? .... request c++ class overloaded std::ostream & operator <...