'Enumerable#reverse_each' backport for Ruby 1.8

epitron · Jun 26, 2015 · 2f0b539 · 2f0b539
1 parent e57ff8a
commit 2f0b539
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/lib/epitools/core_ext/enumerable.rb b/lib/epitools/core_ext/enumerable.rb
@@ -36,6 +36,15 @@ def skip(n)
     end
   end
 
+  #
+  # Add reverse_each to old Ruby versions
+  #
+  unless defined? reverse_each
+    def reverse_each
+      to_a.to_enum(:reverse_each)
+    end
+  end
+
   #
   # Split this enumerable into chunks, given some boundary condition. (Returns an array of arrays.)
   #