fn main() {
  println!("File: {}, line: {}, column: {}", file!(), line!(), column!());
  println!("Module path: {}", module_path!());
  println!("Stringify: {}", stringify!(1 + 1 * 2));
  println!("include_str!(\"sample.txt\"): {}", include_str!("sample.txt"));
  println!("include_bytes!(\"sample.txt\"): {:?}", include_bytes!("sample.txt"));
}