* Add Range#overlaps?(range), Range#include?(range), and Range#step without a block. [brandon] Closes #9746

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7800 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 25 insertions, 0 deletions

diff --git a/activesupport/lib/active_support/core_ext/range/blockless_step.rb b/activesupport/lib/active_support/core_ext/range/blockless_step.rb
new file mode 100644
index 0000000000..4d5e27457b
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/range/blockless_step.rb
@@ -0,0 +1,25 @@
+module ActiveSupport #:nodoc:
+  module CoreExtensions #:nodoc:
+    module Range #:nodoc:
+      # Return and array when step is called without a block
+      module BlocklessStep
+
+        def self.included(klass) #:nodoc:
+          klass.send(:alias_method, :step_with_block, :step)
+          klass.send(:alias_method, :step, :step_without_block)
+        end        
+        
+        def step_without_block(value, &block)
+          if block_given?
+            step_with_block(value, &block)
+          else
+            returning [] do |array|
+              step_with_block(value) {|step| array << step }
+            end
+          end
+        end
+
+      end
+    end
+  end
+end
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