program foo()
  var d := 57 + 8, e := "abc";
  var t := struct{ a := 4, b := 9, c := 12 };

  print( t["b"] );
  print( t[2] ); // this should die
  print( t["c"] := 42 );
  print( t[2] := 42 );
  print( t );

endprogram