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