From d56b5dacb1fbaeef9d48d57594b2f1f9c32a21bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Wed, 3 Oct 2012 00:17:10 -0300
Subject: Use the `flat_map` method.

Thanks to @jeremy to teach me this one.
---
 activemodel/lib/active_model/validations.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'activemodel/lib')

diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb
index 4762f39044..243d911f71 100644
--- a/activemodel/lib/active_model/validations.rb
+++ b/activemodel/lib/active_model/validations.rb
@@ -188,9 +188,9 @@ module ActiveModel
       #   #       #<ActiveModel::Validations::InclusionValidator:0x007fe603bb8780 @attributes=[:age], @options={:in=>0..99}>
       #   #    ]
       def validators_on(*attributes)
-        attributes.map do |attribute|
+        attributes.flat_map do |attribute|
           _validators[attribute.to_sym]
-        end.flatten
+        end
       end
 
       # Returns +true+ if +attribute+ is an attribute method, +false+ otherwise.
-- 
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