namespace std { class bad_alloc : public exception { public: bad_alloc() noexcept; bad_alloc(const bad_alloc&) noexcept; bad_alloc& operator=(const bad_alloc&) noexcept; const char* what() const noexcept override; }; }
The class bad_alloc defines the type of objects thrown as exceptions by the implementation to report a failure to allocate storage.
bad_alloc() noexcept;
bad_alloc(const bad_alloc&) noexcept;
bad_alloc& operator=(const bad_alloc&) noexcept;
const char* what() const noexcept override;
Remarks: The message may be a null-terminated multibyte string, suitable for conversion and display as a wstring ([string.classes], [locale.codecvt]).