There is no function named getResult, however there is a function named getStatus.
/** Returns the status of the file stream.
The result will be ok if the file opened successfully. If an error occurs while
opening or writing to the file, this will contain an error message.
*/
const Result& getStatus() const noexcept { return status; }
/** Returns true if the stream couldn't be opened for some reason.
@see getResult()
*/
bool failedToOpen() const noexcept { return status.failed(); }
/** Returns true if the stream opened without problems.
@see getResult()
*/
bool openedOk() const noexcept { return status.wasOk(); }