self
}
- /// Sets the option for creating a new file.
- ///
- /// This option indicates whether a new file will be created if the file
- /// does not yet already exist.
+ /// Sets the option to create a new file, or open it if it already exists.
///
/// In order for the file to be created, [`write`] or [`append`] access must
/// be used.
self
}
- /// Sets the option to always create a new file.
+ /// Sets the option to create a new file, failing if it already exists.
///
- /// This option indicates whether a new file will be created.
- /// No file is allowed to exist at the target location, also no (dangling)
- /// symlink.
+ /// No file is allowed to exist at the target location, also no (dangling) symlink. In this
+ /// way, if the call succeeds, the file returned is guaranteed to be new.
///
/// This option is useful because it is atomic. Otherwise between checking
/// whether a file exists and creating a new one, the file may have been