From: hemant <gethemant@...>
Date: 2006-10-19T09:48:07+09:00
Subject: whats this lambda code doing?

I came across following code in typo's application.rb and I can't
understand the last part,


  def with_blog_scoped_classes(klasses=[Content, Article, Comment,
Page, Trackback], &block)
    default_id = this_blog.id
    scope_hash = { :find => { :conditions => "blog_id = #{default_id}"},
                   :create => { :blog_id => default_id } }
    klasses.inject(block) do |blk, klass|
      lambda { klass.with_scope(scope_hash, &blk) }
    end.call
  end

Method will be called with a block and will probably add some scope to
the respective methods of ActiveRecord classes. But whats the last
part?
I mean, end.call?


-- 
There was only one Road; that it was like a great river: its springs
were at every doorstep, and every path was its tributary.