ForEachWithIndex.swift (1626B)
1 /* MIT License 2 * Copyright (c) 2021 Khoa aka onmyway133 3 * https://onmyway133.com/posts/how-to-use-foreach-with-indices-in-swiftui/ 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in all 13 * copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 */ 23 24 import SwiftUI 25 26 struct ForEachWithIndex<Data: RandomAccessCollection, Content: View>: View 27 where Data.Element: Identifiable, Data.Element: Hashable { 28 let data: Data 29 @ViewBuilder let content: (Data.Index, Data.Element) -> Content 30 31 var body: some View { 32 ForEach(Array(zip(data.indices, data)), id: \.1) { index, element in 33 content(index, element) 34 } 35 } 36 }