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

From cppreference.com
< cpp‎ | io‎ | basic ofstream
 
 
 
 
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().

Contents

[edit] Parameters

(none)

[edit] Return value

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

[edit] Example

[edit] See also

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