dduan

import UIKit

extension UISegmentedControl {
    func goVertical() {
        self.transform = CGAffineTransformMakeRotation(CGFloat(M_PI_2))
        for segment in self.subviews {
            for segmentSubview in segment.subviews {
                if segmentSubview is UILabel {
                    (segmentSubview as UILabel).transform = CGAffineTransformMakeRotation(CGFloat(-M_PI_2))
                }

dduan

import UIKit

class DeselectableSegmentedControl: UISegmentedControl {
    override func touchesEnded(touches: NSSet, withEvent event: UIEvent) {
        let previouslySelectedIndex = self.selectedSegmentIndex
        super.touchesEnded(touches, withEvent: event)
        if previouslySelectedIndex == self.selectedSegmentIndex {
            self.selectedSegmentIndex = UISegmentedControlNoSegment
            self.sendActionsForControlEvents(UIControlEvents.ValueChanged)
        }

dduan

//
//  BorderedButton.swift
//
//  Created by Daniel Duan on 12/13/14.


import UIKit

class BorderedButton: UIButton {
    override func willMoveToSuperview(newSuperview: UIView?) {

dduan

//  CaseInsensitiveDictionary.swift
//  Created by Daniel Duan on 12/19/14.
//  Usaege Example:
//  var test = CaseInsensitiveDictionary<String, Int>()
//  test["Winter is coming"] = 1
//
//  test["WINTER is Coming"] = test["Winter Is Coming"] // true
//  test["Hear Our Roar?"] = 1
//
//  test.count == 2 // true

dduan

struct Complex<T: FloatLiteralConvertible> {
    var real: T
    var imaginary: T
}

func +(lhs: Complex<Double>, rhs: Complex<Double>) -> Complex<Double> {
    return Complex<Double>(real: lhs.real + rhs.real, imaginary: lhs.imaginary + rhs.imaginary)
}

func -(lhs: Complex<Double>, rhs: Complex<Double>) -> Complex<Double> {

dduan

#!/usr/bin/env xcrun swift
/*
usage:

    1. chmod +x QuickOutline.swift
    2. ./QuickOutline.swift outline.json
    
this will generate BDD/[Quick](https://github.com/Quick/Quick) style test outlines according to outline.json

an example outline.json:

dduan

// Swift 2 Beta 2 to the rescue!

protocol A {
    var b: B { get set }
}

protocol B {
    func handle()
}
extension B {

dduan

SDKPATH = $(shell xcrun --show-sdk-path --sdk macosx)
CBRIDGEHEADER = bridge.h
TARGETS := cat

.PHONY : all $(TARGETS)

all: $(TARGETS)

$(TARGETS):
	swiftc -sdk $(SDKPATH) $@.swift -import-objc-header $(CBRIDGEHEADER) -o $@

dduan

extension Int {
    func asUpperBoundForRandom() -> Int {
        return Int(arc4random_uniform(UInt32(self)))
    }

    func asLengthForRandomAlphanumeric() -> String {
        let alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".characters
        var chars: [Character] = []
        for _ in 1...self {

dduan

import Foundation

let smallSet = Set(Array(1..<999).sort {_, _ in arc4random() % 2 == 0})
let largeSet = Set(Array(1..<99999).sort {_, _ in arc4random() % 2 == 0})

var _count = 999999
let unique: () -> Int = { _count += 1; return _count }

var before = NSDate()
var after = NSDate()