fn write_to_file(&self, writer: &mut fs::File) -> Result<(), std::io::Error>;
}
-pub fn get_full_filepath(filepath: String, filename: String) -> String {
+pub(crate) fn get_full_filepath(filepath: String, filename: String) -> String {
let mut path = PathBuf::from(filepath);
path.push(filename);
path.to_str().unwrap().to_string()