The variables\/fields getting cleanup in the reverse order they have been declared (not initialized).<\/p>\n
\r\n#include <string>\r\n#include <vector>\r\n#include <memory>\r\n#include <iostream>\r\n\r\nclass Text {\r\npublic:\r\n Text(std::string text) : m_text(text) {}\r\n ~Text() { std::cout << "Destruct Text '" + toStr() + "'" << std::endl; }\r\n std::string toStr() { return m_text; }\r\nprivate:\r\n std::string m_text;\r\n};\r\n\r\nclass Number {\r\npublic:\r\n Number(unsigned number) : m_number(number) {}\r\n ~Number() { std::cout << "Destruct Number '" + toStr() + "'" << std::endl; }\r\n std::string toStr() { return std::to_string(m_number); }\r\nprivate:\r\n unsigned m_number;\r\n};\r\n\r\nclass Track {\r\npublic:\r\n Track(Text title, Number duration)\r\n : m_title(title), m_duration(duration) {}\r\n virtual ~Track() {\r\n std::cout << "Destruct Track '"\r\n + m_title.toStr() + "', '" + m_duration.toStr() + "'"\r\n << std::endl;\r\n }\r\nprotected:\r\n Text m_title;\r\n Number m_duration;\r\n};\r\n\r\nclass CloudTrack : public Track {\r\npublic:\r\n CloudTrack(Text title, Number duration, Text service, Text uuid)\r\n : Track(title, duration), m_service(service), m_uuid(uuid) {}\r\n ~CloudTrack() {\r\n std::cout << "Destruct CloudTrack '"\r\n + m_title.toStr() + "', '" + m_duration.toStr() + "', '"\r\n + m_service.toStr() + "', '" + m_uuid.toStr() + "'"\r\n << std::endl;\r\n }\r\nprivate:\r\n Text m_service;\r\n Text m_uuid;\r\n};\r\n\r\nclass TrackVector {\r\npublic:\r\n ~TrackVector() { std::cout << "Destruct TrackVector" << std::endl; }\r\n void push_back(std::unique_ptr<Track> track) {\r\n m_vector.push_back(std::move(track));\r\n }\r\nprivate:\r\n std::vector<std::unique_ptr<Track>> m_vector;\r\n};\r\n\r\nclass Album {\r\npublic:\r\n Album(Text title, Text artist) : m_title(title), m_artist(artist) {}\r\n ~Album() { std::cout << "Destruct Album '"\r\n + m_title.toStr() + "', '" + m_artist.toStr() + "'"\r\n << std::endl; }\r\n void addTrack(std::unique_ptr<Track> track) {\r\n m_tracks.push_back(std::move(track));\r\n }\r\nprivate:\r\n Text m_title;\r\n Text m_artist;\r\n TrackVector m_tracks;\r\n};\r\n\r\nint main()\r\n{\r\n Album album(Text("Trash"), Text("Alice Cooper"));\r\n\r\n album.addTrack(std::make_unique<CloudTrack>(Text("Poison"), Number(270),\r\n Text("Spotify"), Text("5XcZRgJv3zMhTqCyESjQrF?si=d915382bc9954b34")));\r\n album.addTrack(std::make_unique<CloudTrack>(Text("Trash"), Number(243),\r\n Text("Spotify"), Text("69FKPvGvSKIqHxGLDYApYH?si=105d56c3b64b41bb")));\r\n\r\n std::cout << "Objects are created" << std::endl;\r\n\r\n return 0;\r\n}\r\n<\/pre>\n\r\n...\r\nObjects are created\r\n# Cleanup fields of album (Last declared variable in main)\r\nDestruct Album 'Trash', 'Alice Cooper'\r\n\r\n## Cleanup album.m_tracks (Last declared field of Album)\r\nDestruct TrackVector\r\n\r\n## Cleanup album.m_track[0]\r\n### Cleanup CloudTrack fields\r\nDestruct CloudTrack 'Poison', '270', 'Spotify', '5XcZRgJv3zMh #...\r\n#### Cleanup album.tracks[0].m_service (Last declared field of CloudTrack)\r\nDestruct Text '5XcZRgJv3zMhTqCyESjQrF?si=d915382bc9954b34'\r\n#### Cleanup album.tracks[0].m_uuid (First declared field of CloudTrack)\r\nDestruct Text 'Spotify'\r\n### Cleanup Track fields\r\nDestruct Track 'Poison', '270'\r\n#### Cleanup album.tracks[0].m_duration (Last declared field of Track)\r\nDestruct Number '270'\r\n#### Cleanup album.tracks[0].m_title (First declared field of Track)\r\nDestruct Text 'Poison'\r\n\r\n## Cleanup album.m_track[1]\r\n### Cleanup CloudTrack fields\r\nDestruct CloudTrack 'Trash', '243', 'Spotify', '69FKPvGvSKIq #...\r\n#### Cleanup album.tracks[1].m_service (Last declared field of CloudTrack)\r\nDestruct Text '69FKPvGvSKIqHxGLDYApYH?si=105d56c3b64b41bb'\r\n#### Cleanup album.tracks[1].m_uuid (First declared field of CloudTrack)\r\nDestruct Text 'Spotify'\r\n### Cleanup Track fields\r\nDestruct Track 'Trash', '243'\r\n#### Cleanup album.tracks[1].m_duration (Last declared field of Track)\r\nDestruct Number '243'\r\n#### Cleanup album.tracks[1].m_title (First declared field of Track)\r\nDestruct Text 'Trash'\r\n\r\n## Cleanup album.m_artist (Midway declared field of Album)\r\nDestruct Text 'Alice Cooper'\r\n\r\n## Cleanup album.m_title (First declared field of Album)\r\nDestruct Text 'Trash'\r\n<\/pre>\n
\nDisclaimer<\/u>: Keep in mind that if you have explicitly requested space on the heap you have to free\/delete it by your own.<\/p>\n","protected":false},"excerpt":{"rendered":"
The variables\/fields getting cleanup in the reverse order they have been declared (not initialized). … Objects are created # Cleanup<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[27],"tags":[],"_links":{"self":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/1658"}],"collection":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1658"}],"version-history":[{"count":1,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/1658\/revisions"}],"predecessor-version":[{"id":16781,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/1658\/revisions\/16781"}],"wp:attachment":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1658"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}