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有没有办法通过谓词来评估一个对象?我有一组托管对象,有时我需要使用谓词而不需要对 coreData 的获取请求并按谓词过滤集合,但是使用谓词会在集合中触发错误。在这种情况下,一旦不再需要,我就应该转向故障对象。