Added Enumberable#several? to encapsulate collection.size > 1 [DHH]

activesupport/CHANGELOG

 *Edge*
 
+* Added Enumberable#several? to encapsulate collection.size > 1 [DHH]
+
 * Add more standard Hash methods to ActiveSupport::OrderedHash [Steve Purcell]
 
 * Namespace Inflector, Dependencies, OrderedOptions, and TimeZone under ActiveSupport [Josh Peek]

activesupport/lib/active_support/core_ext/enumerable.rb

@@ -66,4 +66,9 @@ def index_by
       accum
     end
   end
+  
+  # Returns true if the collection has more than 1 element. Functionally equivalent to collection.size > 1.
+  def several?
+    size > 1
+  end
 end

activesupport/test/core_ext/enumerable_test.rb

@@ -63,4 +63,10 @@ def test_index_by
     assert_equal({ 5 => payments[0], 15 => payments[1], 10 => payments[2] },
                  payments.index_by { |p| p.price })
   end
+  
+  def test_several
+    assert ![].several?
+    assert ![ 1 ].several?
+    assert [ 1, 2 ].several?
+  end
 end