我正在与新系统一道工作。 诊断。 合同类别似乎非常有用。 检查有约束力的论点、回报价值等法定方法 它是一个清洁的接口,可以取代一些假设的声明和内部建造的图书馆工具。
然而,在大多数时间情况下,这似乎用处不大。 从我能够说的话来看,它并没有犯错,因此我可以拿到任何东西来知道合同是否失败。 它用这个错误打开了方言箱。 如果我在遥远的箱子上打一只手套,而很少有人看一看......我知道合同失败了吗? 如果我无法弄清错误发生的事实,那么我怎么能让服务打电话的人知道这些错误。
Throw-Catch has been around for awhile, I don t understand why Contracts want to bypass this. Am I trying to use this thing incorrectly? If so, then someone give me a real-life situation where a runtime Contract makes sense. Ken
从我可以告诉的角度来看,它没有犯错,因此我可以拿到任何东西来知道合同是否失败。
如果你需要放弃要求打捞法的特别例外,那么你应当使用<代码>。 合同。 要求和设计;TException> methods or Legacy if-then-throws subsequently by Contract.EndContractBlock()。 如果其他法典已经期望并取决于经常提出的例外情况,例如,你会这样做。
见 它用这个错误打开了方言箱。 如果你在“合同失败协议”中不打上标本,那么你将获得一个实际的例外,在打碎时,就在代码上打上犯罪点,而不是方言箱。 然而,这并不是赶上。 与此同时,我不理解为什么合同想要绕过这一点。 我试图不正确地使用这件事吗? 如果是,那么,有人会给我一种现实的生活状况,即经营合同具有意义。 想法是,你永远不应需要撰写含有处理违约的具体逻辑的方案。 它们永远不应在正确的方案中发生,在需要确定的法典中显示严重错误。 这类似于你应避免捕获<代码>。 在特殊情况下,而不是 表示在法典本身有过错,例如无法找到档案时,你仍应经常例外。 这使得呼吁守则能够酌情处理这种情况。 如果我在遥远的箱子上打一只手套,而很少有人看一看......我知道合同失败了吗? 最好是,你应当像你在使用之前那样测试软件,以确保它永远不会违反任何合同。 如果你特别需要超越经营时间的行为,你可以通过撰写自己的合同经营时间类别来这样做。 见 www.un.org/Depts/DGACM/index_spanish.htm Edit: In response to the comment below... 你们说,这是为了发现法典中的错误,但法典中的大部分错误来自外部来源的数据,而不是密码的错误。 而软件对二者都需要,将某人通过坏数据的事实记录下来,并用坏数据告诉他们,以便他们能够加以固定。 先决条件是确定何种方法为 在你的情况下,处理数据的内部方法应确定前提条件,说明数据允许的种类。 如果数据是从外部来源获得的,你无法控制,那么你就应当验证数据并按惯例处理;你不想为此使用密码合同。 然而,如果你忘记充分验证这一数据,那么你在以先决条件称内部法典时会遇到违反合同的情况。 这在你自己的法典中注明了bug。
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