std::exception::what(3) C++ Standard Libary std::exception::what(3) NAME std::exception::what - std::exception::what Synopsis virtual const char* what() const throw(); (until C++11) virtual const char* what() const noexcept; (since C++11) Returns the explanatory string. Parameters (none) Return value Pointer to a null-terminated string with explanatory information. The pointer is guaranteed to be valid at least until the exception object from which it is obtained is destroyed, or until a non-const member function on the exception ob- ject is called. Defect reports The following behavior-changing defect reports were applied retroac- tively to previously published C++ standards. DR Applied to Behavior as published Cor- rect behavior LWG 108 C++98 it was unspecified when the returned pointer specified becomes invalid http://cppreference.com 2024.06.10 std::exception::what(3)
NAME | Synopsis | Parameters | Return value
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