michaeleisel

extension Array {
    func sortedWith<T: Comparable, U: Comparable>(_ comparableTransform: (Array.Element) -> (T, U)) -> [Array.Element] {
        return sorted(by: { (a, b) -> Bool in
            let tupleA = comparableTransform(a)
            let tupleB = comparableTransform(b)
            return tupleA.0 == tupleB.0 && tupleA.1 == tupleB.1
        })
    }
}

michaeleisel

extension Array {
    func sortedWith<T: Comparable>(_ comparableTransform: (Array.Element) -> T) -> [Array.Element] {
        return sorted(by: { (a, b) -> Bool in
            return comparableTransform(a) > comparableTransform(b)
        })
    }
}

michaeleisel

extension Array where Element: Hashable {
    func uniqueElements() -> [Element] {
        return uniqueElements(by: { $0 })
    }

    func uniqueElements<T: Hashable>(by uniqueValue: (Element) -> T) -> [Element] {
        var uniqueElements: [Array.Element] = []
        var set: Set<T> = Set()
        for element in self {
            let value = uniqueValue(element)

michaeleisel

extension Array {
    func sortedWith<T: Comparable>(_ comparableTransform: (Array.Element) -> T) -> [Array.Element] {
        return sorted(by: { (a, b) -> Bool in
            return comparableTransform(a) > comparableTransform(b)
        })
    }
}

        let carts: [Card] = []

michaeleisel

#!/usr/bin/ruby

raise "Usage: ./framework.rb <path to pbxproj file> <name of target>" unless ARGV.size == 2

proj_file, name = ARGV
str = IO.read(proj_file).gsub("com.apple.product-type.application", "com.apple.product-type.framework").gsub("#{name}.app", "#{name}.framework")
IO.write(proj_file, str)

michaeleisel

import UIKit

class MyViewController: UIViewController {
    @IBOutlet weak var button: UIButton!
    var vc: UIViewController? = nil

    override func viewDidLoad() {
        super.viewDidLoad()
        
        button.addTarget(self, action: #selector(down), for: .touchDown)

michaeleisel

func didTouchDown() {
  self.vc = DestViewController()
}

// about 75ms elapses here...

func didTouchUp() {
  presentVC(self.vc)
}

michaeleisel

func didTouchUp() {
  let vc = DestViewController()
  presentVC(vc)
}

michaeleisel

#import "ViewController.h"

@interface ViewController ()

@end

@interface asdf : NSObject

@end

michaeleisel

- (void)dealloc
{
    if (_shouldRecycle) {
        objc_destructInstance(self);
        [self recycle];
    } else {
        [super dealloc];
    }
}