OC 与 Swift 之间的桥接拷贝

Swift 中直接调用OC的数据取值赋值后 发生桥接拷贝,在更改数据属性时,要两边对象都都改。

//warning: first(where:) at here would return a copy item, because flagModels is computer property of OC Array
        flagModels?.first(where: { ($0.p_eventId?.intValue ?? 0) == eventId } )