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-rw-r--r--activesupport/lib/active_support/core_ext/integer/even_odd.rb24
-rw-r--r--activesupport/lib/active_support/core_ext/integer/inflections.rb15
2 files changed, 39 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
diff --git a/activesupport/lib/active_support/core_ext/integer/inflections.rb b/activesupport/lib/active_support/core_ext/integer/inflections.rb
new file mode 100644
index 0000000000..a86c4cc26c
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/integer/inflections.rb
@@ -0,0 +1,15 @@
+require File.dirname(__FILE__) + '/../../inflector'
+module ActiveSupport #:nodoc:
+ module CoreExtensions #:nodoc:
+ module Integer #:nodoc:
+ module Inflections
+ # 1.ordinalize # => "1st"
+ # 3.ordinalize # => "3rd"
+ # 10.ordinalize # => "10th"
+ def ordinalize
+ Inflector.ordinalize(self)
+ end
+ end
+ end
+ end
+end