error
Description:
Checks the given stream for errors.
Example: Check the given stream for errors:
public static int main (string[] args) {
	// open an existing file for reading:
	FileStream stream = FileStream.open ("test.txt", "r");
	assert (stream != null);
	// trigger an error by writing:
	// Output: ``Error!``
	stream.puts ("data");
	if (stream.error () != 0) {
		print ("Error!\n");
	}
	return 0;
}
    
    valac --pkg glib-2.0 GLib.FileStream.error.vala
    Returns:
| 
           nonzero value if the file stream has errors occurred, 0 otherwise  |