Tweaks to palindrome article. Linked up Palindrome alg on front page

kodecocodes · Jul 17, 2016 · ab2d1a2 · ab2d1a2
1 parent 2d30946
commit ab2d1a2
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Showing 5 changed files with 14 additions and 6 deletions.
diff --git a/Palindromes/Palindromes.playground/Contents.swift b/Palindromes/Palindromes.playground/Contents.swift
@@ -2,10 +2,10 @@ import Cocoa
 
 public func palindromeCheck (text: String?) -> Bool {
   if let text = text {
-    let mutableText = text.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceCharacterSet()).lowercaseString
+    let mutableText = text.stringByTrimmingCharactersInSet(.whitespaceCharacterSet()).lowercaseString
     let length: Int = mutableText.characters.count
 
-    if length < 1 {
+    guard length >= 1 else {
       return false
     }
 

diff --git a/Palindromes/Palindromes.playground/playground.xcworkspace/contents.xcworkspacedata b/Palindromes/Palindromes.playground/playground.xcworkspace/contents.xcworkspacedata
diff --git a/Palindromes/Palindromes.swift b/Palindromes/Palindromes.swift
@@ -2,10 +2,10 @@ import Cocoa
 
 public func palindromeCheck (text: String?) -> Bool {
   if let text = text {
-    let mutableText = text.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceCharacterSet()).lowercaseString
+    let mutableText = text.stringByTrimmingCharactersInSet(.whitespaceCharacterSet()).lowercaseString
     let length: Int = mutableText.characters.count
 
-    if length < 1 {
+    guard length >= 1 else {
       return false
     }
 

diff --git a/Palindromes/README.markdown b/Palindromes/README.markdown
@@ -28,10 +28,10 @@ Here is a recursive implementation of this in Swift:
 ```swift
 func palindromeCheck (text: String?) -> Bool {
   if let text = text {
-    let mutableText = text.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceCharacterSet()).lowercaseString
+    let mutableText = text.stringByTrimmingCharactersInSet(.whitespaceCharacterSet()).lowercaseString
     let length: Int = mutableText.characters.count
 
-    if length < 1 {
+    guard length >= 1 {
       return false
     }
 

diff --git a/README.markdown b/README.markdown
@@ -183,6 +183,7 @@ A lot of software developer interview questions consist of algorithmic puzzles.
 - [Two-Sum Problem](Two-Sum Problem/)
 - [Fizz Buzz](Fizz Buzz/)
 - [Monty Hall Problem](Monty Hall Problem/)
+- [Finding Palindromes](Palindromes/)
 
 ## Learn more!