From 08804df38cd4ce2501c1633b7007dcd19683c98e Mon Sep 17 00:00:00 2001
From: Emmanuel Oga <EmmanuelOga@gmail.com>
Date: Tue, 3 Jan 2012 01:23:18 -0300
Subject: [PATCH] k in each call is expensive.

---
 lib/ffaker.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/ffaker.rb b/lib/ffaker.rb
index 4b82ad2b..92e55b58 100644
--- a/lib/ffaker.rb
+++ b/lib/ffaker.rb
@@ -1,6 +1,7 @@
 module Faker
   VERSION = "1.10.1"
 
+  require 'ffaker/utils/array_utils'
   require 'ffaker/utils/module_utils'
 
   extend ModuleUtils
@@ -8,13 +9,13 @@ module Faker
   LETTERS = k('a'..'z')
 
   def self.numerify(*masks)
-    mask = k(masks.flatten).rand
+    mask = ArrayUtils.rand(masks.flatten)
     mask.gsub!(/#/) { rand(10).to_s }
     mask
   end
 
   def self.letterify(*masks)
-    mask = k(masks.flatten).rand
+    mask = ArrayUtils.rand(masks.flatten)
     mask.gsub!(/\?/) { LETTERS.rand }
     mask
   end