function main()
  my_int := 12;
  my_bool := false;
  my_float := 0;
  if (my_int > 23, my_float := 13, my_bool := true)

function main_alt()
  my_int := 44;
  my_bool := false;
  my_float := 0;
  if (my_int > 23, my_float := 13, my_bool := true)

function main_alt_while()
  my_int := 0;
  my_string := 'foo';
  while(my_int := my_int + 1; my_int <= 12,
    my_string := my_string + ' ' + string(my_int))

{ just a test of for() loop }
function main_alt_for()
  my_string := 'foo';
  for(my_int, 4, 14, my_string := 'x' + my_string + 'x')
