content: function Main()
      print "hello world"
  
      as = 10
      print "as = "; as
  
      print "calling foo(5)"
      foo(5)
  
      print "calling bar(25)"
      bar(25)
  
      print "calling baz(17)"
      baz(17)
  
      print "calling bar(false)"
      'bar(false)
  end function
  
  function foo(r)
      print "r ="; r
      as = 1000
      print "as = "; as
  end function
  
  sub bar(s as integer)
      print "s ="; s
      as = 999
      print "as = "; as
  end sub
  
  sub baz(as as integer)
      print "as (arg) = "; as
  end sub
  