old_contents: def ok(n):
      s = n + 3
      print 's = %d' % (s,)
      return s
  def ident(val):
      return val
  def main():
      while False:
          inside = 1
      a = 1 + 2
      ok(a)
      if True:
          print 'ok'
      elif False:
          print 'what'
      else:
          print 'no'
      assert True, 'WHAT'
      t = (1, 2)
      c = None
      c = 'ok'
      Pair = DT('Pair', ('first', int), ('second', int))
      Maybe, Just, Nothing = ADT('Maybe', 'Just', ('just', 'a'), 'Nothing')
      m = Just(1)
      match(m, ("Just(n)", identity), ("Nothing()", lambda: 0))
      return 0
  
  # vi: set sw=4 ts=4 sts=4 tw=79 ai et nocindent:
  
new_contents: def ok(n):
      s = n + 3
      print 's = %d' % (s,)
      return s
  def ident(val):
      return val
  Pair = DT('Pair', ('first', int), ('second', int))
  Maybe, Just, Nothing = ADT('Maybe', 'Just', ('just', 'a'), 'Nothing')
  def main():
      while False:
          inside = 1
      a = 1 + 2
      ok(a)
      if True:
          print 'ok'
      elif False:
          print 'what'
      else:
          print 'no'
      assert True, 'WHAT'
      t = (1, 2)
      c = None
      c = 'ok'
      m = Just(1)
      match(m, ("Just(n)", identity), ("Nothing()", lambda: 0))
      return 0
  
  # vi: set sw=4 ts=4 sts=4 tw=79 ai et nocindent:
  
subject: Move data structures out of main