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# OrderedHash is namespaced to prevent conflicts with other implementations
class ActiveSupport::OrderedHash < Array #:nodoc:
def []=(key, value)
if pair = find_pair(key)
pair.pop
pair << value
else
self << [key, value]
end
end
def [](key)
pair = find_pair(key)
pair ? pair.last : nil
end
def keys
self.collect { |i| i.first }
end
private
def find_pair(key)
self.each { |i| return i if i.first == key }
return false
end
end
class OrderedOptions < ActiveSupport::OrderedHash #:nodoc:
def []=(key, value)
super(key.to_sym, value)
end
def [](key)
super(key.to_sym)
end
def method_missing(name, *args)
if name.to_s =~ /(.*)=$/
self[$1.to_sym] = args.first
else
self[name]
end
end
end
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