1 files changed, 24 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/integer/even_odd.rb b/activesupport/lib/active_support/core_ext/integer/even_odd.rb
new file mode 100644
index 0000000000..3762308cc3
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/integer/even_odd.rb
@@ -0,0 +1,24 @@
+module ActiveSupport #:nodoc:
+  module CoreExtensions #:nodoc:
+    module Integer #:nodoc:
+      # For checking if a fixnum is even or odd. 
+      # * 1.even? # => false
+      # * 1.odd?  # => true
+      # * 2.even? # => true
+      # * 2.odd? # => false
+      module EvenOdd
+        def multiple_of?(number)
+          self % number == 0
+        end
+        
+        def even?
+          multiple_of? 2
+        end
+        
+        def odd?
+          !even?
+        end
+      end
+    end
+  end
+end