From 21d66ece80f4899f14503606e1f2d7aeb7bc0eb6 Mon Sep 17 00:00:00 2001
From: daniel david kovacs <kicsikrumpli@gmail.com>
Date: Thu, 3 Mar 2016 12:53:31 +0100
Subject: [PATCH 1/3] solution ?

---
 longest-run.playground/Contents.swift | 29 ++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/longest-run.playground/Contents.swift b/longest-run.playground/Contents.swift
index 7a5f9f5..78b395a 100644
--- a/longest-run.playground/Contents.swift
+++ b/longest-run.playground/Contents.swift
@@ -7,7 +7,30 @@ This excercise lends itself to TDD and we have provided a few basic tests below.
 import Cocoa
 
 func longestRun(whole: String) -> String {
-    return whole
+    let sorted = whole.characters.sort()
+
+    var currentRunCharacter = sorted.first
+    var currentRun = 0
+    var longestRunCharacter = currentRunCharacter
+    var longestRun = 0
+
+    if currentRunCharacter == nil {
+        return ""
+    }
+
+    sorted.forEach({(let char: Character) -> () in
+        if char == currentRunCharacter! {
+            currentRun += 1
+        } else {
+            currentRunCharacter = char
+            currentRun = 1
+        }
+        if longestRun < currentRun {
+            longestRun = currentRun
+            longestRunCharacter = currentRunCharacter
+        }
+    })
+    return String([Character](count: longestRun, repeatedValue: longestRunCharacter!))
 }
 
 // identity test
@@ -15,6 +38,6 @@ var zzzz = "zzzz"
 assert(zzzz == longestRun(zzzz), "\(zzzz) should be the longest run of chars")
 
 // book
-// var book = "book"
-// assert("oo" == longestRun(book), "longest run in \(book) is 'oo'")
+var book = "book"
+assert("oo" == longestRun(book), "longest run in \(book) is 'oo'")
 

From 19cb1854032f47ad93f1cdd287c45811b3142f60 Mon Sep 17 00:00:00 2001
From: daniel david kovacs <kicsikrumpli@gmail.com>
Date: Thu, 3 Mar 2016 15:21:05 +0100
Subject: [PATCH 2/3] fix

---
 longest-run.playground/Contents.swift | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/longest-run.playground/Contents.swift b/longest-run.playground/Contents.swift
index 78b395a..c8c0e4e 100644
--- a/longest-run.playground/Contents.swift
+++ b/longest-run.playground/Contents.swift
@@ -7,9 +7,9 @@ This excercise lends itself to TDD and we have provided a few basic tests below.
 import Cocoa
 
 func longestRun(whole: String) -> String {
-    let sorted = whole.characters.sort()
+    let characters = whole.characters
 
-    var currentRunCharacter = sorted.first
+    var currentRunCharacter = characters.first
     var currentRun = 0
     var longestRunCharacter = currentRunCharacter
     var longestRun = 0
@@ -18,7 +18,7 @@ func longestRun(whole: String) -> String {
         return ""
     }
 
-    sorted.forEach({(let char: Character) -> () in
+    characters.forEach({(let char: Character) -> () in
         if char == currentRunCharacter! {
             currentRun += 1
         } else {
@@ -38,6 +38,6 @@ var zzzz = "zzzz"
 assert(zzzz == longestRun(zzzz), "\(zzzz) should be the longest run of chars")
 
 // book
-var book = "book"
-assert("oo" == longestRun(book), "longest run in \(book) is 'oo'")
+var book = "book🐰🐰🐰🐰aaa"
+assert("🐰🐰🐰🐰" == longestRun(book), "longest run in \(book) is 'oo'")
 

From 0cf1c2458ea160dfb28f5df2af39ecf7adfcc9e5 Mon Sep 17 00:00:00 2001
From: daniel david kovacs <kicsikrumpli@gmail.com>
Date: Thu, 17 Mar 2016 07:51:20 +0100
Subject: [PATCH 3/3] wip

---
 longest-run.playground/Contents.swift | 1 -
 1 file changed, 1 deletion(-)

diff --git a/longest-run.playground/Contents.swift b/longest-run.playground/Contents.swift
index c8c0e4e..2c7e280 100644
--- a/longest-run.playground/Contents.swift
+++ b/longest-run.playground/Contents.swift
@@ -40,4 +40,3 @@ assert(zzzz == longestRun(zzzz), "\(zzzz) should be the longest run of chars")
 // book
 var book = "book🐰🐰🐰🐰aaa"
 assert("🐰🐰🐰🐰" == longestRun(book), "longest run in \(book) is 'oo'")
-