std::basic_ofstream<CharT,Traits>::is_open
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
See also
opens a file and associates it with the stream (public member function) |
|
closes the associated file (public member function) |
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/io/basic_ofstream/is_open