This all can be done with no mutable state in the client code.
所有这些都可以在客户端代码中没有可变状态的情况下完成。
And this all can be done with no mutable state in the client code.
在客户代码中，这些都可以在不使用可变状态的情况下就能做到。
One approach to this issue is to minimize mutable state in the database.
此问题的一种解决方法是要最大限度地减少数据库中的可变状态。
Scala also will not prevent you from writing code with mutable state.
Scala也不会阻止您在可变状态下编写代码。
More often than not, they involve mutable object state.
而它们时常也会涉及易变的对象状态。
More often than not, they involve mutable object state.
而它们时常也会涉及易变的对象状态。
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