Swift 2.2

.gitignore

@@ -26,3 +26,4 @@ xcuserdata
 ## Obj-C/Swift specific
 *.hmap
 *.ipa
+.DS_Store

.travis.yml

@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode7.1
+osx_image: xcode7.3
 
 script:
 - xcodebuild -project CodeChallenge.xcodeproj -scheme CodeChallengeTests -destination 'platform=iOS Simulator,name=iPhone 6' test

CodeChallenge/Base/CodeChallengeType.swift

@@ -15,9 +15,9 @@ import Foundation
 */
 protocol CodeChallengeType {
     /// The type for the input(s) for the challenge.
-    typealias InputType
+    associatedtype InputType
     /// The type that the entry's function will return.
-    typealias OutputType
+    associatedtype OutputType
 
     /// The heading title for this challenge
     var title: String { get }
@@ -170,9 +170,9 @@ extension CodeChallengeType {
             for result in results {
                 for output in result.outputs {
                     if verifyOutput(output, forInput: result.input) {
-                        successes++
+                        successes += 1
                     } else {
-                        failures++
+                        failures += 1
                     }
                 }
             }

CodeChallenge/Challenges/TwoSum/Entries/AlexPersian.swift

@@ -9,8 +9,8 @@
 import Foundation
 
 let alexPersianTwoSumEntry = CodeChallengeEntry<TwoSumChallenge>(name: "AlexPersian") { input in
-    for (var i: Int = 0; i < input.numbers.count; i++) {
-        for (var j: Int = 0; j < input.numbers.count; j++) {
+    for i in 0..<input.numbers.count {
+        for j in 0..<input.numbers.count {
             if ((input.numbers[i] + input.numbers[j]) == input.target) {
                 return (i + 1, j + 1)
             }

CodeChallenge/Challenges/TwoSum/Entries/BugKrusha.swift

@@ -10,7 +10,7 @@ import Foundation
 
 let bugkrushaTwoSumEntry = CodeChallengeEntry<TwoSumChallenge>(name: "Jazbo") { input in
     for (index, num) in input.numbers.enumerate() {
-        for var i = index + 1; i < input.numbers.count; i++ {
+        for i in index + 1 ..< input.numbers.count {
             if calculate(input.numbers[i], numTwo: num, calculation: +) == input.target {
                 return (index + 1, i + 1)
             }