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#!/usr/bin/env ruby -KU

require "rubygems"
require "rufus/tokyo"

proc = lambda { |database, key|
  type, id = key.to_s.split(":")
  "New #{type} with id #{id}"
}
Rufus::Tokyo::Cabinet.open("data.tch", :default_proc => proc) do |db|
  p db["user:3"]  # => nil
end