std::basic_ofstream<CharT,Traits>::is_open (3) - Linux Manuals

std::basic_ofstream<CharT,Traits>::is_open: std::basic_ofstream<CharT,Traits>::is_open

NAME

std::basic_ofstream<CharT,Traits>::is_open - std::basic_ofstream<CharT,Traits>::is_open

Synopsis


bool is_open(); (until C++11)
bool is_open() const; (since C++11)


Checks if the file stream has an associated file.
Effectively calls rdbuf()->is_open().

Parameters


(none)

Return value


true if the file stream has an associated file, false otherwise

Example


 This section is incomplete
 Reason: no example

See also


      opens a file and associates it with the stream
open (public member function)
      closes the associated file
close (public member function)