simple router for method dispatching

router.rb

class Router
    def initialize
		@router = []
	end
	
	def reg(path,&block)
		@router << { :path => path, :block => block}
	end
	
	def fetch(url)
		@router.each do | rtr |
			if url =~ /#{rtr[:path]}/
				rtr[:block].call url
			end
		end
	end

    alias_method :[],:fetch

end

## new 
router = Router.new

## add router
## do ... end block may replaced by SomeClass.new
router.reg "/hello" do |url|
	puts "Hello, world!"
end

## fetch url

router['/hello']

## => Hello, world!