This data type represents the file stream generally, and has the capabilities of both ofstream and ifstream which means it can create files, write information to files, and read information from files.
DefinitionBelow is definition of std::fstream.
template< class CharT, class Traits = std::char_traits<CharT>> class basic_fstream : public std::basic_iostream<CharT, Traits>Parameters
charT − Aliased as member char_type.
traits − Aliased as member traits_type.
Following member types can be used as parameters or return type by member functions.
Sr.No. Member types Definition 1 char Character Type 2 char_traits<char> traits_type 3 int const value_type 4 int int_type 5 streampos pos_type 6 streamoff off_type Functions from <fstream>Below is list of all methods from <fstream>
Member functions Sr.No. Method & description 1 fstream::closeCloses the file currently associated with the object, disassociating it from the stream.
2 fstream::is_openReturns whether the stream is currently associated to a file.
3 fstream::openOpens the file identified by argument filename, associating it with the stream object.
4 fstream::operator=Returns a constant iterator which points to the start of the array.
5 fstream::rdbufReturns a pointer to the internal filebuf object.
6 fstream::swapExchanges all internal data between x and *this.
Non-member overloaded functions Sr.No. Method & description 1 swap-freeExchanges the values of the fstream objects x and y.
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