### - w -

- what() : std::exception , std::bad_exception , std::bad_cast , std::logic_error , std::runtime_error , std::bad_typeid , std::ios_base::failure , std::bad_weak_ptr , std::bad_alloc , std::bad_function_call , std::future_error
- widen() : std::__ctype_abstract_base< _CharT > , std::ctype< char > , std::__ctype_abstract_base< _CharT > , std::basic_ios< _CharT, _Traits >
- width() : std::ios_base
- write() : std::basic_ostream< _CharT, _Traits >