class Geocoder::Lookup::Base

def cache
  if @cache.nil? && (store = configuration.cache)
    cache_options = configuration.cache_options
    cache_prefix = (configuration.cache_prefix rescue false)
    if cache_prefix
      cache_options[:prefix] ||= configuration.cache_prefix
      warn '[Geocoder] cache_prefix is deprecated, please change to cache_options.prefix instead'
    end
    @cache = Cache.new(store, cache_options)
  end
  @cache
end