content: _marked = regeneratorRuntime.mark(g)
                                                                                  Sub g ()
                                                                                Return regeneratorRuntime.wrap(Function (_context)
                                                                                  While 1
                                                                                    if _context.prev = _context.next = 0 Then 
                                                                                      _context.next = 2
                                                                                      Return -x,if _context.prev = _context.next = 2 Then 
                                                                                        ,if _context.prev = _context.next = "end" Then 
                                                                                          Return _context.stop()
                                                                                        End If
                                                                                      End While
                                                                                    End Function, _marked, /*{
   "type": "ThisExpression"
  }*/)
                                                                                  End Sub
                                                                                  