# File lib/anemone/storage/tokyo_cabinet.rb, line 17
      def initialize(file)
        raise "TokyoCabinet filename must have .tch extension" if File.extname(file) != '.tch'
        @db = ::TokyoCabinet::HDB::new
        @db.open(file, ::TokyoCabinet::HDB::OWRITER | ::TokyoCabinet::HDB::OCREAT)
        @db.clear
      end