From 1615a45934ff375dbbd2bea5a02307b6e05db859 Mon Sep 17 00:00:00 2001
From: Peter Fern <github@obfusc8.org>
Date: Thu, 25 Oct 2012 16:26:36 +1100
Subject: [PATCH] Use the 'boolean' gem if available

As a fallback that allows for other gems defining them, only define
Boolean and XmlContent if they're not already defined
---
 lib/happymapper.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/happymapper.rb b/lib/happymapper.rb
index f642494..02cb8fe 100644
--- a/lib/happymapper.rb
+++ b/lib/happymapper.rb
@@ -2,8 +2,12 @@
 require 'date'
 require 'time'
 
-class Boolean; end
-class XmlContent; end
+begin
+  require 'boolean'
+rescue LoadError
+  class Boolean; end unless defined? Boolean
+end
+class XmlContent; end unless defined? XmlContent
 
 module HappyMapper