std::exception::what

virtual const char* what() const throw();

virtual const char* what() const noexcept;

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 object is called.

Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.