29 Input/output library [input.output]

29.9 Span-based streams [span.streams]

29.9.6 Class template basic_­spanstream [spanstream]

29.9.6.1 General [spanstream.general]

namespace std { template<class charT, class traits = char_traits<charT>> class basic_spanstream : public basic_iostream<charT, traits> { public: using char_type = charT; using int_type = typename traits::int_type; using pos_type = typename traits::pos_type; using off_type = typename traits::off_type; using traits_type = traits; // [spanstream.ctor], constructors explicit basic_spanstream(std::span<charT> s, ios_base::openmode which = ios_base::out | ios_base::in); basic_spanstream(const basic_spanstream&) = delete; basic_spanstream(basic_spanstream&& rhs); // [spanstream.assign], assignment and swap basic_spanstream& operator=(const basic_spanstream&) = delete; basic_spanstream& operator=(basic_spanstream&& rhs); void swap(basic_spanstream& rhs); // [spanstream.members], members basic_spanbuf<charT, traits>* rdbuf() const noexcept; std::span<charT> span() const noexcept; void span(std::span<charT> s) noexcept; private: basic_spanbuf<charT, traits> sb; // exposition only }; template<class charT, class traits> void swap(basic_spanstream<charT, traits>& x, basic_spanstream<charT, traits>& y); }