29 Input/output library [input.output]

29.9 Span-based streams [span.streams]

29.9.2 Header <spanstream> synopsis [spanstream.syn]

namespace std { template<class charT, class traits = char_traits<charT>> class basic_spanbuf; using spanbuf = basic_spanbuf<char>; using wspanbuf = basic_spanbuf<wchar_t>; template<class charT, class traits = char_traits<charT>> class basic_ispanstream; using ispanstream = basic_ispanstream<char>; using wispanstream = basic_ispanstream<wchar_t>; template<class charT, class traits = char_traits<charT>> class basic_ospanstream; using ospanstream = basic_ospanstream<char>; using wospanstream = basic_ospanstream<wchar_t>; template<class charT, class traits = char_traits<charT>> class basic_spanstream; using spanstream = basic_spanstream<char>; using wspanstream = basic_spanstream<wchar_t>; }