std::basic_ifstream::is_open
std::basic_ifstream::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.