Rails routes with_options

gistfile1.rb

# Rails < 3.0

  map.with_options :member => { :some_default_member_route => :get } do |default|
    default.resources :frobs
    default.resources :foos, :collection => { :some_special_collection => :get }
  end

# Rails >= 3.0

  default_resource_routes = lambda do
    member do
      get 'some_default_member_route'
    end
  end
  
  resources :frobs, &default_resource_routes
  resources :foos do
    collection do
      get 'some_special_collection'
    end

    instance_eval(&default_resource_routes)
  end