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-rw-r--r--actionpack/lib/action_view/partial_iteration.rb19
1 files changed, 19 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/partial_iteration.rb b/actionpack/lib/action_view/partial_iteration.rb
new file mode 100644
index 0000000000..5b33a40722
--- /dev/null
+++ b/actionpack/lib/action_view/partial_iteration.rb
@@ -0,0 +1,19 @@
+module ActionView
+ class PartialIteration # :nodoc:
+ attr_reader :size, :index
+
+ def initialize(size, index)
+ @size = size
+ @index = index
+ end
+
+ def first?
+ index == 0
+ end
+
+ def last?
+ index == size - 1
+ end
+
+ end
+end