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struct ContentView: View {
  let urls: [URL] = [
    .init(string: "https://webcg.ismcdn.jp/mwimgs/0/f/640wm/img_0f0ccf94fbdcfab41992550a42460808110746.jpg")!,
    .init(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/8/85/Tour_Eiffel_Wikimedia_Commons_%28cropped%29.jpg/640px-Tour_Eiffel_Wikimedia_Commons_%28cropped%29.jpg")!,
  ]
  
  var body: some View {
    ScrollView {
      LazyVStack(spacing: 40) {
        ForEach(urls, id: \.self) { url in

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// 1. Add Person
// 2. Add Car
// 3. Delete Person(or Car)

import SwiftUI
import SwiftData

@main
struct Xcode17_SampleApp: App {
  var body: some Scene {

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struct ContentView: View {
  @State var selection: Int? = 0
  
  var body: some View {
    NavigationSplitView {
      List(selection: $selection) {
        ForEach(0..<10) { i in
          Text("Data \(i)")
            .tag(i)
        }

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import SwiftUI

enum TabItem: String, CaseIterable, Hashable, Identifiable {
  case first
  case second
  case third
  
  var id: Self { self }
}

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// Previewだと動くがシミュレーターだと動かない
// 原因? Environment(\.openURL), NavigationLink

struct ContentView: View {
  let urls: [URL] = [
    URL(string: "https://github.com")!,
    URL(string: "https://github.com")!,
    URL(string: "https://github.com")!,
  ]
  

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struct ContentView: View {
  @State var text = ""
  
  var body: some View {
    NavigationStack {
      List {
        TextField("Text", text: $text)
      }
      //.padding(.top, 10)
      .toolbarBackground(.visible, for: .navigationBar)

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import SwiftUI
import CoreLocationUI

struct ContentView: View {
  let colors: [Color] = [
    .white,
    Color(.secondarySystemGroupedBackground),
    Color(.lightText),
    Color(.systemBackground),
    

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//
//  ContentView.swift
//

import SwiftUI

struct AppInfo: Identifiable, Equatable {
  let id = UUID()
  let color: Color
  let name: String

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//
//  ContentView.swift
//

import SwiftUI

struct ContentView: View {
  @State var path = NavigationPath()

  var body: some View {

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import SwiftUI

struct ContentView: View {
  @State var searchText: String = ""
  @State var dogType: DogType = .all
  @State var searchHistory: [String] = ["choco", "kinako", "malon"]
  
  let dogs: [Dog] = [
    .init(name: "mugi", color: .orange, type: .poodle),
    .init(name: "mugi", color: .red, type: .chihuahua),