joanmolinas

//: ## Exercices from https://www.weheartswift.com/higher-order-functions-map-filter-reduce-and-more/
//: This are my solutions.

import UIKit

//: * Write a function applyTwice(f:(Float -> Float),x:Float) -> Float that takes a function f and a float x and aplies f to x twice i.e. f(f(x))
func applyTwice(f : (Float -> Float), x: Float) -> Float {
    return f(x)
}
let r = applyTwice({x in x + 1}, x: 55)

joanmolinas

//: #Sort Algorithms - Page 65 Cracking the coding Interview E.4
//: If you have a better solution, please tell me! [email protected] - @JoanMolinas


//: ## BubbleSort
//: Start at the beginning of an array and swap the first two elements if the first is bigger than the second Go to the next pair, etc, continuously making sweeps of the array until sorted O(n^2)
var array:[Int] = [1,3,4,2,34,4,45,3,2,23,345,45]

func bubbleSort(array : [Int]) -> [Int]{
    let n = array.count

joanmolinas

/* Example of SET Collection */

let oddDigits: Set = [1, 3, 5, 7, 9]
let evenDigits: Set = [0, 2, 4, 6, 8]
let singleDigitPrimeNumbers: Set = [2, 3, 5, 7, 11, 13, 17]
let threeFirstNumbers : Set = [1, 2, 3]
let threeToOne : Set = [3, 2, 1]
let tenToFifteen : Set = [10, 11, 12, 13, 14, 15]
//I use var because after `zeroToNine` will be modified.
var zeroToNine = Set(oddDigits.union(evenDigits))

joanmolinas

/* ClassCluster Example */
/* Documentation: https://developer.apple.com/library/ios/documentation/General/Conceptual/CocoaEncyclopedia/ClassClusters/ClassClusters.html#//apple_ref/doc/uid/TP40010810-CH4 */
/* This example explicated in Objc: http://stackoverflow.com/questions/1844158/what-exactly-is-a-so-called-class-cluster-in-objective-c */

enum Types {
    case Guffaw
    case Giggle
}

protocol ClassClusterExample {

joanmolinas

.include "macros.s"
.include "crt0.s"
  .data
F:	 .word -1	 
G:	 .word -2
I:	 .word 0
  .text
main:
  MOVI R6, 0
  $MOVEI R1, F

joanmolinas

.include "macros.s"
.include "crt0.s"
  .data
F:	 .word 0xBE00	 ; 0xBE00 = -1.0
G:	 .word 0xC000	 ; 0xC000 = -2.0
I:	 .word 0
  .text
main:
  MOVI R6, 0
  $MOVEI R1, F

joanmolinas

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    
    if (range.location == textField.text.length && [string isEqualToString:@" "]) {
        textField.text = [textField.text stringByAppendingString:@"\u00a0"];
        return NO;
    }
    return YES;
}

joanmolinas

import Foundation

class Queue<T> {
    private typealias Node = QueueNode<T>
    private var _top : Node?
    private var _last : Node?
    private var _size : UInt = 0
    
    
    //MARK : Public API

joanmolinas

import Foundation

class LinkedList<T : Equatable> {
    private typealias Node = LinkedListNode<T>
    private var _head : Node?
    private var _tail : Node?
    private var _size : UInt = 0
    
    //MARK : Public API
    

joanmolinas

import Foundation

class Stack<T> {
    private typealias Node = StackNode<T>
    private var _top : Node?
    private var _size : UInt = 0
    
    
    //MARK: Public API
    internal func empty() -> Bool {