我生成了具有一些一对多关系的CoreData模型。现在,我想在此关系上使用ForEach NSSet
,然后出现以下错误:
Generic struct 'ForEach' requires that 'NSSet' conform to 'RandomAccessCollection'
我的代码如下:
struct DetailView: View {
var sample: Sample
var body: some View {
VStack {
ForEach(sample.stepps!, id: \.self) { step in
...
}
}
}
}
如何解决?
这里是可能的方法
ForEach(Array(sample.stepps! as Set), id: \.self) { step in
// step is NSObject type, so you'll need it cast to your model
}