ForEachIndex.swift

import SwiftUI

public struct ForEachIndex<ItemType: Identifiable, ContentView: View>: View {
    let data: [ItemType]
    let content: (Int, ItemType) -> ContentView

    public init(_ data: [ItemType], @ViewBuilder content: @escaping (Int, ItemType) -> ContentView) {
        self.data = data
        self.content = content
    }

    public var body: some View {
        ForEach(Array(zip(data.indices, data)), id: \.1.id) { idx, item in
            content(idx, item)
        }
    }
}