austinzheng

var myClosure: (Int, Int) -> String

austinzheng

class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        addSquareToView(size: CGSizeMake(30, 30), color: UIColor.greenColor());
    }

    func addSquareToView(size s: CGSize, color: UIColor) {
        var square: UIView;
        let frame = CGRectMake(10, 10, s.width, s.height);
        

austinzheng

protocol InitProtocol { init() }

struct SomeStruct<T: InitProtocol> {
    var x: T? = nil
    mutating func instantiate() {
        if x == nil {
            x = T()
        }
    }
}

austinzheng

// Text transformer (palindrome)
[self.textView transformSelectedTextWithTransformer:^NSAttributedString *(NSAttributedString *input) {
    NSString *rawInput = [input string];
    NSMutableString *buffer = [NSMutableString string];
    unichar stackC;
    for (NSInteger i=[rawInput length] - 1; i>=0; i--) {
        stackC = [rawInput characterAtIndex:i];
        [buffer appendString:[NSString stringWithCharacters:&stackC length:1]];
    }
    NSDictionary *attrs = [input attributesAtIndex:0 effectiveRange:NULL];

austinzheng

// Set up mentions plug-in
- (void)viewDidLoad {
    [super viewDidLoad];
    HKWMentionsChooserPositionMode mode = HKWMentionsChooserPositionModeEnclosedTop;
    NSCharacterSet *controlCharacters = [NSCharacterSet characterSetWithCharactersInString:@"@+"];
    HKWMentionsPlugin *mentionsPlugin = [HKWMentionsPlugin mentionsPluginWithChooserMode:mode
                                                                       controlCharacters:controlCharacters
                                                                            searchLength:3];
    self.plugin = mentionsPlugin;
    mentionsPlugin.delegate = [MentionsManager sharedInstance];

austinzheng

import Foundation

// Build this as an OS X command line project, then run it. It should never terminate.

enum Value<T> {
  case Nil
  case Cons(T, LinkedList<T>)
}

final class LinkedList<T> {

austinzheng

import UIKit

// Running on Xcode 7.0 beta (7A121l)
// All running in a playground
// Open console (View -> Debug Area -> Show Debug Area)

// Define a non-generic free fn taking 1 arg
func notGeneric(x: String) {
  print("notGeneric called")
}

austinzheng

// Released under the terms of the MIT license.

struct PrefixedPostfixedSequence<T : SequenceType, U where U == T.Generator.Element> : SequenceType {
  private let sequence : T
  private let initial : U?
  private let final : U?

  init(_ sequence: T, initial: U? = nil, final: U? = nil) {
    self.sequence = sequence
    self.initial = initial

austinzheng

#include <stdio.h>

struct n {
    int v;
    struct n* next;
};

struct n* split_list(struct n* head, int pivot) {
    struct n* cur = head;
    struct n* lh = NULL; struct n* lt = NULL;

austinzheng

// min_stack.c
// Austin Zheng

#include <stdio.h>
#include <stdlib.h>

struct min_stack {
  int* v;          // This array represents the main stack, and contains actual values.
  int* m;          // This array represents the min stack, and contains an index into the v array.
  unsigned int v_ptr;    // This is a pointer to the next free main stack slot.