added convenience method

Author: JulioBBL

Insertion Sort/InsertionSort.playground/Contents.swift

@@ -6,19 +6,34 @@ print("Hello, Swift 4!")
 #endif
 
 func insertionSort<T>(_ array: [T], _ isOrderedBefore: (T, T) -> Bool) -> [T] {
-  var a = array
-  for x in 1..<a.count {
-    var y = x
-    let temp = a[y]
-    while y > 0 && isOrderedBefore(temp, a[y - 1]) {
-      a[y] = a[y - 1]
-      y -= 1
+    var a = array
+    for x in 1..<a.count {
+        var y = x
+        let temp = a[y]
+        while y > 0 && isOrderedBefore(temp, a[y - 1]) {
+            a[y] = a[y - 1]
+            y -= 1
+        }
+        a[y] = temp
     }
-    a[y] = temp
-  }
-  return a
+    return a
+}
+
+func insertionSort<T: Comparable>(_ array: [T]) -> [T] {
+    var a = array
+    for x in 1..<a.count {
+        var y = x
+        let temp = a[y]
+        while y > 0 && temp < a[y - 1] {
+            a[y] = a[y - 1]
+            y -= 1
+        }
+        a[y] = temp
+    }
+    return a
 }
 
 let list = [ 10, -1, 3, 9, 2, 27, 8, 5, 1, 3, 0, 26 ]
+insertionSort(list)
 insertionSort(list, <)
 insertionSort(list, >)

Insertion Sort/InsertionSort.playground/playground.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Insertion Sort/InsertionSort.swift

@@ -13,3 +13,17 @@ func insertionSort<T>(_ array: [T], _ isOrderedBefore: (T, T) -> Bool) -> [T] {
   }
   return a
 }
+
+func insertionSort<T: Comparable>(_ array: [T]) -> [T] {
+    var a = array
+    for x in 1..<a.count {
+        var y = x
+        let temp = a[y]
+        while y > 0 && temp < a[y - 1] {
+            a[y] = a[y - 1]
+            y -= 1
+        }
+        a[y] = temp
+    }
+    return a
+}