#include using test_type = int; using flag_type = bool; int main( int argc, char* argv[] ) { // could also be user-supplied constexpr std::size_t nObjects { 10 }; std::size_t userOption {}; test_type* objects = new test_type[ nObjects ]; // std::bitset<> flag_type* availaibleObjects = new flag_type[ nObjects ]; for ( std::size_t i { 0 }; i < nObjects; ++i ) { *( availaibleObjects + i ) = false; } do { std::cout << "Please choose an option:" << "\n0. Quit" << "\n1. Add Object" << "\n2. Delete Object" << "\n\n>>> "; std::cin >> userOption; switch ( userOption ) { case 0: { std::cout << "Quitting menu..." << std::endl; } break; case 1: { // possibly ask for index for ( std::size_t i { 0 }; i < nObjects; ++i ) { if ( !availaibleObjects[ i ] ) { // possibly query object data *( objects + i ) = test_type(); *( availaibleObjects + i ) = true; std::cout << "Added new object at index " << i << "." << std::endl; break; } } } break; case 2: { // possibly ask for index for ( std::size_t i { 0 }; i < nObjects; ++i ) { if ( availaibleObjects[ i ] ) { // ( objects + i )->~TestType(); *( availaibleObjects + i ) = false; std::cout << "Deleted object at index " << i << "." << std::endl; break; } } } break; default: { std::cout << "Invalid option..." << std::endl; } } std::cout << "\nCurrent status: "; for ( std::size_t i { 0 }; i < nObjects; ++i ) { std::cout << *( availaibleObjects + i ); } std::cout << std::endl << std::endl; } while ( userOption != 0 ); delete objects; delete availaibleObjects; return 0; }

[Q&A] Dynamic Array Control