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\( [C++11] \) In \( C++11 \), you can tell the compiler to explicitly generate the default version of a default constructor, copy constructor, move constructor, copy assignment operator, move assignment operator or destructor by following the special member function's prototype with explicit (default) default

Ask by Coles Stanley. in the United States
Mar 14,2025

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In C++11, you can use `= default` to let the compiler generate default versions of special member functions like constructors and assignment operators. This ensures that the compiler provides standard implementations for these functions, which can help prevent issues and ensure proper class behavior.

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In C++11, you can use `= default` to define special member functions, providing a way to instruct the compiler to create a default version of constructors and operators. This is particularly useful for classes that require member variables to be initialized or managed, ensuring that the compiler-generated implementations are used rather than writing them manually. It also allows for better code clarity and maintenance, showcasing clarity in intent. When using `= default`, be cautious about situations where some members might need specific initialization logic or resource management. By default, the member data will use their default constructors and may not handle resources like dynamic memory correctly. Always evaluate if the default behavior aligns with the class's goals, especially in classes that manage resources or involve inheritance, to avoid sneaky memory leaks or undefined behavior.

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