blah

#!/usr/bin/env ruby

# Simple configuration

require 'singleton'

class Foo
  class Config < Struct.new(:first_name, :last_name)
    include Singleton
  end

  def self.config
    Config.instance
  end

  def self.configure
    yield config
  end
end

# A config plugin, perhaps?
module NameHelper
  def full_name
    [first_name, last_name].join(' ')
  end
end
Foo.config.extend(NameHelper)

Foo.configure do |config|
  config.first_name = "Something"
end

Foo.config.last_name = "Awesome"

p Foo.config.first_name #=> "Something"
p Foo.config.full_name  #=> "Something Awesome"