WIP: Add toJsonAs()

generator/tests/jsongenerator.cpp

@@ -126,7 +126,7 @@ void OverallTests::testSingleInheritence()
         "{\"someInt\":42,\"someString\":\"the answer\",\"yetAnotherString\":\"but what was the question\",\"someBool\":false}");
 
     // test serialization
-    CPPUNIT_ASSERT_EQUAL(expectedJSONForBase, string(static_cast<const JSONSerializable<TestStruct> &>(test).toJson().GetString()));
+    CPPUNIT_ASSERT_EQUAL(expectedJSONForBase, string(test.toJsonAs<TestStruct>().GetString()));
     CPPUNIT_ASSERT_EQUAL(expectedJSONForDerived, string(static_cast<const JSONSerializable<DerivedTestStruct> &>(test).toJson().GetString()));
 
     // test deserialization

lib/jsonserializable.h

@@ -29,6 +29,9 @@ template <typename Type> struct JSONSerializable {
     static Type fromJson(const char *json);
     static Type fromJson(const std::string &json);
 
+    template<typename ViewType, Traits::EnableIf<std::is_same<ViewType, Type>>...>
+    RAPIDJSON_NAMESPACE::StringBuffer toJsonAs() const;
+
     static constexpr const char *qualifiedName = "ReflectiveRapidJSON::JSONSerializable";
 };
 
@@ -81,6 +84,13 @@ template <typename Type> Type JSONSerializable<Type>::fromJson(const std::string
     return Reflector::fromJson<Type>(json.data(), json.size());
 }
 
+template<typename Type>
+template<typename ViewType, Traits::EnableIf<std::is_same<ViewType, Type>>...>
+RAPIDJSON_NAMESPACE::StringBuffer JSONSerializable<Type>::toJsonAs() const
+{
+    return static_cast<const ViewType *>(this)->toJson();
+}
+
 } // namespace ReflectiveRapidJSON
 
 #endif // REFLECTIVE_RAPIDJSON_JSON_SERIALIZABLE_H