From f83ded92545335bf72b895170f63a8d214ef2a93 Mon Sep 17 00:00:00 2001
From: Mahmut Bulut <mahmutbulut0@gmail.com>
Date: Sun, 1 Apr 2012 21:02:39 +0300
Subject: [PATCH] is_integer? method declaration in prelude, generally wanted
 from developers

---
 golf_prelude.rb |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/golf_prelude.rb b/golf_prelude.rb
index b090503..54e525f 100644
--- a/golf_prelude.rb
+++ b/golf_prelude.rb
@@ -84,6 +84,10 @@ def to_a
     split('')
   end
 
+  def is_integer?
+    self == self.to_i.to_s
+  end
+  
   (Array.instance_methods-instance_methods-[:to_ary,:transpose,:flatten,:flatten!,:compact,:compact!,:assoc,:rassoc]).each{|meth|
     eval"
     def #{meth}(*args, &block)
-- 
1.7.5.4