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virtual function is abstract

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In C++, classes are abstract when they have at least one pure virtual function. This means that the function has no body for that type and may therefore not be called. As a consequence, the class cannot be instantiated (or else, you would run the risk of calling a function that does not exist).

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This topic is 4092 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.

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