Add hierarchy traversal to the Qt5 client (!1346) · Merge requests · OpenAPI Tools / openapi-generator

Created by: WendellDuncan

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[ X] Ran the shell script under ./bin/ to update Petstore sample so that CIs can verify the change. (For instance, only need to run ./bin/{LANG}-petstore.sh and ./bin/security/{LANG}-petstore.sh if updating the {LANG} (e.g. php, ruby, python, etc) code generator or {LANG} client's mustache templates). Windows batch files can be found in .\bin\windows\.
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This add polymorphic support for the cpp Qt5 client. Issue #1345