Camping Technique -- Multiple Layouts

[John Beppu]

Hey Campers,

Here's a little technique you can use to support multiple layouts within a
Camping app.

def layout
  @layout ||= 'default'
  send("#{@layout}_layout") { yield }
end

The minimum you have to do after this is define a *default_layout*, but (as
you can hopefully see) you may define any number of arbitrary layouts to
wrap your content in.

Just set *@layout* in your controllers, and when it comes time to render a
view, be sure a layout w/ the name "#{@layout}_layout" exists.

--beppu
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