benigumocom

import SwiftUI

struct Graph: View {
  @State var cells: [Cell] = []

  private let colors: [Color] = [.clear, .level0, .level1, .level2, .level3, .level4]

  var body: some View {
    Grid(horizontalSpacing: 2, verticalSpacing: 2) {
      ForEach(0 ..< 7, id: \.self) { row in

benigumocom

import SwiftUI

struct TestTaskID: View {
  @State private var text = ""
  @State private var taskID = UUID()

  var body: some View {
    Text("\(text)")
      .task(id: taskID) { // *
        let url = URL(string: "https://worldtimeapi.org/api/timezone/Asia/Tokyo.txt")!

benigumocom

import SwiftUI

struct TestView: View {
  @State var id = false

  var body: some View {

    AutoProgressView()
      .padding()
      .id(id)

benigumocom

import Foundation
import SwiftUI
import AVFoundation

struct SystemSoundWheelPicker: View {
  @State private var sounds: [SystemSoundID] = []
  @State private var playingID = -1

  var body: some View {
    Picker("", selection: $playingID) {

benigumocom

import SwiftUI
import AVFoundation

struct TestView: View {
  var body: some View {
    Button("Play1") {
      AudioServicesPlaySystemSound(1000)
    }

    Divider()

benigumocom

@Observable final class Sound: Identifiable {
  var id: SystemSoundID
  var duration: Double
  var playing: Bool

  var valid: Bool { self.duration > 0.01 }

  init(_ id: Int, _ duration: Double, _ playing: Bool) {
    self.id = SystemSoundID(id)
    self.duration = duration

benigumocom

import SwiftUI

@Observable final class ScheduledTimer {
  var elapsed = TimeInterval.zero
  private var timer: Timer?

  func start() {
    timer = Timer.scheduledTimer(withTimeInterval: 0.001, repeats: true) { _ in
      self.elapsed += 0.001
    }

benigumocom

import SwiftUI

struct TestView: View {
  var body: some View {

    VStack {
      Text("top")
      Text("bottom")
    }

benigumocom

import Foundation

// inspiered by
// lifegame/swift/lifegame.swift at master · tex2e/lifegame
// https://github.com/tex2e/lifegame/blob/master/swift/lifegame.swift

@Observable final class LifeGame {
  var field: [[Int]] = []
  var generation = 0
  

benigumocom

let d2: [[String]] = [
  // x (col) →
  ["あ", "い", "う", "え", "お"],
  ["か", "き", "く", "け", "こ"],
  ["さ", "し", "す", "せ", "そ"]
]

print(d2)
// [["あ", "い", "う", "え", "お"], ["か", "き", "く", "け", "こ"], ["さ", "し", "す", "せ", "そ"]]