Thomvis

https://open.spotify.com/playlist/5xdvmNizfHeCz8fVvaXL4F?si=1f_Q5o4KRh-63p-mwckUlg&dl_branch=1

Thomvis

import Cocoa

// Say we have a Person model
enum V1 {
    struct Person: Codable {
        let name: String
        var age: Int
    }
}

Thomvis

let timer = Timer.publish(every: 1.0, on: RunLoop.main, in: .common)
    .autoconnect()
    .prepend(Date())
    .map { $0.timeIntervalSince1970 }
    .lane("shared timer")
    .share()
    .lane("timer")

timer
    .sink { print($0) }.store(in: &cancellable)

Thomvis

struct ContentView: View {
    var body: some View {
        VStack(alignment: .customAlignment) {
            HStack {
                Text("100 m").font(Font.body.bold())
                Text("Usain Bolt").setCustomAlignmentToLeading()
            }
            HStack {
                Text("5 km").font(Font.body.bold())
                Text("Joshua Cheptegei").setCustomAlignmentToLeading()

Thomvis

class ViewModel {
    
    let intGetterGetter: () -> () -> Int?
    var currentInt = 2

    init() {
        self.intGetterGetter = {
            return { [weak self] in
                return self?.currentInt
            }

Thomvis

content
    .onPreferenceChange(SizeKey.self, perform: { sizes in
        // this is not always called
    })
    .overlayPreferenceValue(SizeKey.self) { sizes in
        EmptyView().onAppear {
            // this is called more reliably
            // the view's id controls for which changes this is called
        }.id(sizes.map { $0.width*1000+$0.height })
    }

Thomvis

//
//  ContentView.swift
//  NavigationViewTest
//
//  Created by Thomas Visser on 04/11/2019.
//  Copyright © 2019 Thomas Visser. All rights reserved.
//

import SwiftUI

Thomvis

struct ContentView: View {
    @State var tab = 0
    @State var selections: [Int:Int] = [:]

    var body: some View {
        ZStack {
            TabView(selection: $tab) {
                NavigationView {
                    PageView(n: 0, selections: $selections)
                }.navigationViewStyle(StackNavigationViewStyle()).tabItem { Text("Pages") }.tag(0)

Thomvis

//
//  ContentView.swift
//  FlowLayoutST
//
//  Created by Chris Eidhof on 22.08.19.
//  Copyright © 2019 Chris Eidhof. All rights reserved.
//
import SwiftUI

struct FlowLayout {

Thomvis

class ActionTarget {
    let handler: () -> Void

    init(handler: @escaping () -> Void) {
        self.handler = handler
    }

    @IBAction func handle() {
        handler()
    }