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Merge pull request #30884 from robwold/patch-1

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Update layouts_and_rendering.md  [ci skip]
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Eileen M. Uchitelle 2017-11-14 09:21:39 -05:00 committed by GitHub
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guides/source/layouts_and_rendering.md
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@ -1266,7 +1266,7 @@ You can also pass in arbitrary local variables to any partial you are rendering
In this case, the partial will have access to a local variable `title` with the value "Products Page".
TIP: Rails also makes a counter variable available within a partial called by the collection, named after the member of the collection followed by `_counter`. For example, if you're rendering `@products`, within the partial you can refer to `product_counter` to tell you how many times the partial has been rendered. This does not work in conjunction with the `as: :value` option.
TIP: Rails also makes a counter variable available within a partial called by the collection, named after the title of the partial followed by `_counter`. For example, when rendering a collection `@products` the partial `_product.html.erb` can access the variable `product_counter` which indexes the number of times it has been rendered within the enclosing view.
You can also specify a second partial to be rendered between instances of the main partial by using the `:spacer_template` option: