instiki/vendor/rails/activesupport/lib/active_support/core_ext/array/extract_options.rb
Jacques Distler 5292899c9a Rails 2.1 RC1
Updated Instiki to Rails 2.1 RC1 (aka 2.0.991).
2008-05-17 23:22:34 -05:00

21 lines
583 B
Ruby

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