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std::basic_ofstream::is_open(3) C++ Standard Libary std::basic_ofstream::is_open(3)

NAME

std::basic_ofstream::is_open - std::basic_ofstream::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


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

2022.07.31 http://cppreference.com