std::basic_ofstream<CharT,Traits>::is_open - cppreference.com (original) (raw)

Checks if the file stream has an associated file.

Effectively calls rdbuf()->is_open().

[edit] Parameters

(none)

[edit] Return value

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

[edit] Example

[edit] Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

[edit] See also

| | opens a file and associates it with the stream (public member function) [edit] | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | closes the associated file (public member function) [edit] |