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module Enumerable
# Returns a JSON string representing the enumerable. Any +options+
# given will be passed on to its elements. For example:
#
# users = User.find(:all)
# # => users.to_json(:only => :name)
#
# will pass the <tt>:only => :name</tt> option to each user.
def to_json(options = {}) #:nodoc:
"[#{map { |value| ActiveSupport::JSON.encode(value, options) } * ', '}]"
end
end
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