instiki/vendor/rails/activesupport/lib/active_support/core_ext/hash/except.rb
Jacques Distler 7600aef48b Upgrade to Rails 2.2.0
As a side benefit, fix an (non-user-visible) bug in display_s5().
Also fixed a bug where removing orphaned pages did not expire cached summary pages.
2008-10-27 01:47:01 -05:00

26 lines
734 B
Ruby

require 'set'
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module Hash #:nodoc:
# Return a hash that includes everything but the given keys. This is useful for
# limiting a set of parameters to everything but a few known toggles:
#
# @person.update_attributes(params[:person].except(:admin))
module Except
# Returns a new hash without the given keys.
def except(*keys)
dup.except!(*keys)
end
# Replaces the hash without the given keys.
def except!(*keys)
keys.map! { |key| convert_key(key) } if respond_to?(:convert_key)
keys.each { |key| delete(key) }
self
end
end
end
end
end