module Stalky                                                                 
  # config object that will be globally accessible                                                                                                          
  # as Stalky::Config
  class Config
    # same ol attr_accessor but applied to the Config class itself
    class << self; attr_accessor :qwerly_api_key, :rapleaf_api_key; end

    def initialize(&block)
      # pass the Config class into the given block
      yield Config if block_given?
    end
  end
end


# put this in something like config/initializers/stalky.rb
Stalky::Config.new do |config|
  config.qwerly_api_key = "foo"
  config.rapleaf_api_key = "bar"
end


# displays 'foo'
puts Stalky::Config.qwerly_api_key
# displays 'bar'
puts Stalky::Config.rapleaf_api_key