def foo =
  if (true)
    ()
  else
    ()
  end if

  while true do
    ()
  end while

  for x <- xs do
    ()
  end for

  x match
    case _ =>
  end match
end foo

def bar =
  new Foo:
    def f = ()
  end new
end

val baz =
  ()
end val

var baz2 =
  ()
end var

extension (x: Int)
  def f = 1
  def f = 2
end extension

class Foo:
end Foo
