在 SwiftUI 中的 onDelete 执行中添加 func

Question

The code is as following:

Section(header: Text("Head")) {
    ForEach() { child in
        ...
    }
    .onDelete(perform: self.db.delete)  <-- how to add other func in perform???
}

And I want to add some other func when onDelete occurs like:

    .onDelete(perform: self.db.delete,
        otherFunc()
    )

func otherFunc() {
}

The self.db.delete after perform is not easy to move to otherFunc() and I want to keep it not changing.

Then how to make it? Thanks for any help.

Answer 1

You can create another function and pass to it the same parameters from onDelete(perform:) :

Section(header: Text("Head")) {
    ForEach() { child in
        ...
    }
    .onDelete(perform: delete)
}

And inside call self.db.delete with the same parameters as originally.

func delete(at offsets: IndexSet) {
    self.db.delete(offsets)
    otherFunction()
}