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Viewing changes to vendor/rails/activesupport/lib/active_support/core_ext/array/extract_options.rb

  • Committer: Michael Forrest
  • Date: 2010-10-15 16:28:50 UTC
  • Revision ID: michael.forrest@canonical.com-20101015162850-tj2vchanv0kr0dun
refroze gems

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vendor/rails/activesupport/lib/active_support/core_ext/array/extract_options.rb
 
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module ActiveSupport #:nodoc:
 
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  module CoreExtensions #:nodoc:
 
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    module Array #:nodoc:
 
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      module ExtractOptions
 
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        # Extracts options from a set of arguments. Removes and returns the last
 
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        # element in the array if it's a hash, otherwise returns a blank hash.
 
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        #
 
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        #   def options(*args)
 
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        #     args.extract_options!
 
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        #   end
 
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        #
 
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        #   options(1, 2)           # => {}
 
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        #   options(1, 2, :a => :b) # => {:a=>:b}
 
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        def extract_options!
 
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          last.is_a?(::Hash) ? pop : {}
 
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        end
 
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      end
 
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    end
 
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  end
 
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end