namespace std {
template<class charT, class traits = char_traits<charT>>
class basic_ofstream : public basic_ostream<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;
basic_ofstream();
explicit basic_ofstream(const char* s,
ios_base::openmode mode = ios_base::out);
explicit basic_ofstream(const filesystem::path::value_type* s,
ios_base::openmode mode = ios_base::out);
explicit basic_ofstream(const string& s,
ios_base::openmode mode = ios_base::out);
explicit basic_ofstream(const filesystem::path& s,
ios_base::openmode mode = ios_base::out);
basic_ofstream(const basic_ofstream&) = delete;
basic_ofstream(basic_ofstream&& rhs);
basic_ofstream& operator=(const basic_ofstream&) = delete;
basic_ofstream& operator=(basic_ofstream&& rhs);
void swap(basic_ofstream& rhs);
basic_filebuf<charT, traits>* rdbuf() const;
bool is_open() const;
void open(const char* s, ios_base::openmode mode = ios_base::out);
void open(const filesystem::path::value_type* s,
ios_base::openmode mode = ios_base::out);
void open(const string& s, ios_base::openmode mode = ios_base::out);
void open(const filesystem::path& s, ios_base::openmode mode = ios_base::out);
void close();
private:
basic_filebuf<charT, traits> sb;
};
template<class charT, class traits>
void swap(basic_ofstream<charT, traits>& x,
basic_ofstream<charT, traits>& y);
}
The class
basic_ofstream<charT, traits>
supports writing to named files
. It uses a
basic_filebuf<charT, traits>
object to control the associated
sequence
. For the sake of exposition, the maintained data is presented here as: