29 Input/output library [input.output]

29.7 Formatting and manipulators [iostream.format]

29.7.1 Header <istream> synopsis [istream.syn]

namespace std { template<class charT, class traits = char_traits<charT>> class basic_istream; using istream = basic_istream<char>; using wistream = basic_istream<wchar_t>; template<class charT, class traits = char_traits<charT>> class basic_iostream; using iostream = basic_iostream<char>; using wiostream = basic_iostream<wchar_t>; template<class charT, class traits> basic_istream<charT, traits>& ws(basic_istream<charT, traits>& is); template<class Istream, class T> Istream&& operator>>(Istream&& is, T&& x); }