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10.1.2 C++ Semantic Values
Bison supports two different means to handle semantic values in C++. One is alike the C interface, and relies on unions (see section C++ Unions). As C++ practitioners know, unions are inconvenient in C++, therefore another approach is provided, based on variants (see section C++ Variants).
| 10.1.2.1 C++ Unions | Semantic values cannot be objects | |
| 10.1.2.2 C++ Variants | Using objects as semantic values |
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