如何使用空检查编写 dsl 条件
我们有包含以下条目的 .dsl 文件
[condition][]residence duration >\= {value}=FamilyMember(basicInfo.permanentResidenceDuration >= {value})
现在，此 basicInfo.permanentResidenceDuration 一开始就为空。谁能帮我写出满足以下条件的状态。如果 basicInfo.permanentResidenceDuration == null 则分配 0，否则为 basicInfo.permanentResidenceDuration 的值
we have .dsl file with below entry
[condition][]residence duration >\= {value}=FamilyMember(basicInfo.permanentResidenceDuration >= {value})
Now this basicInfo.permanentResidenceDuration is coming out to be null in beginning. Can anyboy help me out how to write the state which satisfy the following condition. If basicInfo.permanentResidenceDuration == null assign 0 else the value of basicInfo.permanentResidenceDuration
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不确定我明白你需要什么，但为什么不简单地做这样的事情呢？
Not sure I understand what you need, but why not simply do something like this?