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FIXED: error with url_for & link_to when we have nested resources.

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Linux on Rails 2011-06-03 03:01:41 -07:00
parent caa8ab09f7
commit 72f51990b7
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railties/guides/source/routing.textile
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@ -288,7 +288,7 @@ When using +magazine_ad_path+, you can pass in instances of +Magazine+ and +Ad+
You can also use +url_for+ with a set of objects, and Rails will automatically determine which route you want:
<erb>
<%= link_to "Ad details", url_for(@magazine, @ad) %>
<%= link_to "Ad details", url_for([@magazine, @ad]) %>
</erb>
In this case, Rails will see that +@magazine+ is a +Magazine+ and +@ad+ is an +Ad+ and will therefore use the +magazine_ad_path+ helper. In helpers like +link_to+, you can specify just the object in place of the full +url_for+ call: