helje5

//
//  Created by Helge Heß.
//  Copyright © 2023 ZeeZide GmbH.
//

import XCTest
import UIKit
import SwiftData
import SwiftUI

bjhomer

//
//  ContentView.swift
//  SwiftUIPlayground
//
//  Created by BJ Homer on 4/26/21.
//

import SwiftUI

BigZaphod

//
// A Swift property wrapper for adding "indirect" to struct properties.
// Enum supports this out of the box, but for some reason struct doesn't.
//
// This is useful when you want to do something recursive with structs like:
//
// struct Node {
//   var next: Node?
// }
//

mattyoung

private struct OnFirstAppear: ViewModifier {
    let perform: () -> Void
    let `else`: () -> Void

    @State private var firstTime = true

    func body(content: Content) -> some View {
        content.onAppear {
            if firstTime {
                firstTime = false

Amzd

/// An iOS style TabView that doesn't reset it's childrens navigation stacks when tabs are switched.
public struct UIKitTabView: View {
    private var viewControllers: [UIHostingController<AnyView>]
    private var selectedIndex: Binding<Int>?
    @State private var fallbackSelectedIndex: Int = 0
    
    public init(selectedIndex: Binding<Int>? = nil, @TabBuilder _ views: () -> [Tab]) {
        self.viewControllers = views().map {
            let host = UIHostingController(rootView: $0.view)
            host.tabBarItem = $0.barItem

marcoarment

/*  parallelize: reads commands from stdin and executes them in parallel.

    The sole argument is the number of simultaneous processes (optional) to
      run. If omitted, the number of logical CPUs available will be used.
    
    Build: gcc -pthread parallelize.c -o parallelize
    
    Demo: (for i in {1..10}; do echo "echo $i ; sleep 5" ; done ) | ./parallelize
    
    By Marco Arment, released into the public domain with no guarantees.