From 5101fa0320733cf621c85efb0fed9ba250239346 Mon Sep 17 00:00:00 2001
From: Guillaume Lecomte <guillaume86@gmail.com>
Date: Wed, 9 Nov 2011 21:24:33 +0100
Subject: [PATCH] Little changes for a more coffeer syntax.

---
 chapters/classes_and_objects/type-function.md | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/chapters/classes_and_objects/type-function.md b/chapters/classes_and_objects/type-function.md
index 6acf6f5..636222c 100644
--- a/chapters/classes_and_objects/type-function.md
+++ b/chapters/classes_and_objects/type-function.md
@@ -13,14 +13,13 @@ Use the following function:
 
 {% highlight coffeescript %}
 type = (obj) ->
-  if obj == undefined or obj == null
+  unless obj?
     return String obj
-  classToType = new Object
+  classToType = {}
   for name in "Boolean Number String Function Array Date RegExp".split(" ")
-    classToType["[object " + name + "]"] = name.toLowerCase()
+    classToType["[object " + name + "]"] = name.toLowerCase() 
   myClass = Object.prototype.toString.call obj
-  if myClass of classToType
-    return classToType[myClass]
+  return classToType[myClass] if myClass of classToType
   return "object"
 {% endhighlight %}