lukeredpath

@implementation MySharedThing

+ (id)sharedInstance
{
  DEFINE_SHARED_INSTANCE_USING_BLOCK(^{
    return [[self alloc] init];
  });
}

@end

DJBen

enum Emoji: String {
    case Copyright = "\u{00A9}"
    case Registered = "\u{00AE}"
    case Bangbang = "\u{203C}"
    case Interrobang = "\u{2049}"
    case Tm = "\u{2122}"
    case InformationSource = "\u{2139}"
    case LeftRightArrow = "\u{2194}"
    case ArrowUpDown = "\u{2195}"
    case ArrowUpperLeft = "\u{2196}"

JadenGeller

extension NSDate {
    var emojiDescription: Character {
        let components = NSCalendar.currentCalendar().components(.CalendarUnitHour | .CalendarUnitMinute, fromDate: self)
        
        let clockHour = components.hour % 12
        let isSecondHalfOfHour = components.minute >= 15 && components.minute < 45
        
        switch (clockHour, isSecondHalfOfHour) {
        case (0, false): return "🕛"
        case (0, true):  return "🕧"

JadenGeller

import Foundation

// Controller that evokes its callback every minute
class ClockController {
	private let minuteCallback: NSDate -> ()
	
	init(minuteCallback: NSDate -> ()) {
		self.minuteCallback = minuteCallback
		callbackAndReschedule()
	}

JadenGeller

import Foundation

public final class Logger {	
	public let name: String?
	private var minimumSeverity: Severity?
	
	public func error(@autoclosure message: () -> String) {
		guard minimumSeverity >= .error else { return }
		NSLog(message())
	}

ethanhuang13

//
//  VirtualKeyboard.swift
//  MacBook Air M1 Zhuyin Keyboard
//  Written with SwiftUI ~=300 LOC, < 4hrs
//  Created by Ethan Huang on 2021/1/13.
//  Twitter: @ethanhuang13

import SwiftUI

struct VirtualKeyboard: View {