pteasima

import SwiftUI

extension ForEach where Data == Range<Int>{
    init(_ v1: @autoclosure @escaping () -> Content) {
        self.init(0..<1) { _ in
            v1()
        }
    }
    init<V1, V2>(
        _ v1: @autoclosure @escaping () -> V1,

pteasima

contents

pteasima

import FirebaseAuth
import Combine

extension PublishersNamespace where Base: FirebaseAuth.Auth {
  var currentUser: AnyPublisher<User?, Never> {
    let userSubject = PassthroughSubject<User?, Never>()
    let handle = base.addStateDidChangeListener { auth, user in
      userSubject.send(user)
    }
    

pteasima

struct MissionControlState<State> {
  var currentState: State
}
enum MissionControlAction<Action> {
  case app(Action)
  case lldb
}

struct MissionControl<State, Action, Environment, Content: View>: View {
  

pteasima

import SwiftUI
#if os(macOS)
import Cocoa

protocol ViewRepresentable: NSViewRepresentable {
  func makeView(context: Context) -> NSViewType
  func updateView(_ view: NSViewType, context: Context)
}
extension ViewRepresentable {
  func makeNSView(context: Context) -> NSViewType {

pteasima

import SwiftUI
import Introspect

//TODO: what if we use more custom tags in nested hierarchy. We need to somehow confine them to a single level.
enum CustomTag: PreferenceKey {
  static var defaultValue: [AnyHashable] = []
  static func reduce(value: inout [AnyHashable], nextValue: () -> [AnyHashable]) {
    value.append(contentsOf: nextValue())
  }
}

pteasima

import SwiftUI

private struct OnDestroy: ViewModifier {
  let onDestroy: () -> Void
  final class Lifetime {
    var onDestroy: () -> Void = { }
    deinit { onDestroy() }
  }
  @State var lifetime: Lifetime = .init()
  func body(content: Content) -> some View {

pteasima

import SwiftUI

private struct LifetimeTask: ViewModifier {
  @State @Reference private var hasAppeared = false
  @State @Reference private var task: Task<Void, Never>?
  let perform: () async -> Void

  func body(content: Content) -> some View {
    content
      .onFirstAppear {

pteasima

import SwiftUI
import Dependencies

struct Foo: DependencyKey {
  static var liveValue: Self {
    .init {
      "foo"
    }
  }