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def routes
 #...
 @routes
end

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if request_path =~ /^\articles$/
 #go to articles#index
elsif request_path =~ /^\recipes$/
#go to recipes#index
elsif
# etc etc more looping ahh!
else
# route not found?
end

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@routes || ActionDispatch::Routing::RouteSet.new

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#action_dispatch/routing/route_set.rb
@set ||= Journey.Routes.new

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Rails.application.routes.draw do
  
	get '/login' => 'admin/sessions#new'
	get '/logout' => 'admin/sessions#destroy'
  
  namespace :admin do
    resources :posts
  	resources :sessions, only: [:new, :create, :destroy]
  	resources :moderators, only: [:index, :edit, :update]
  end

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Prefix Verb   URI Pattern                                                                              Controller#Action
                    login GET    /login(.:format)                                                                         admin/sessions#new
                   logout GET    /logout(.:format)                                                                        admin/sessions#destroy
              admin_posts GET    /admin/posts(.:format)                                                                   admin/posts#index
                          POST   /admin/posts(.:format)                                                                   admin/posts#create
           new_admin_post GET    /admin/posts/new(.:format)                                                               admin/posts#new
          edit_admin_post GET    /admin/posts/:id/edit(.:format)                                                          admin/posts#edit
               admin_post GET    /admin/posts/:id(.:format)

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siddhants-MacBook-Air:railsblog sid$ rails c
Loading development environment (Rails 5.2.3)
irb(main):001:0> scanner = ActionDispatch::Journey::Scanner.new
=> #<ActionDispatch::Journey::Scanner:0x00007f84f432d658 @ss=nil>
irb(main):002:0> scanner.scan_setup("moderators/:id")
=> #<StringScanner 0/14 @ "moder...">
irb(main):003:0> scanner.next_token
=> [:LITERAL, "moderators"]
irb(main):004:0> scanner.next_token
=> [:SLASH, "/"]

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siddhants-MacBook-Air:railsblog sid$ rails c
Loading development environment (Rails 5.2.3)
irb(main):001:0> parser = ActionDispatch::Journey::Parser.new
=> #<ActionDispatch::Journey::Parser:0x00007fa630dce528 @scanner=#<ActionDispatch::Journey::Scanner:0x00007fa630dce4b0 @ss=nil>>
irb(main):002:0> syntax_tree = parser.parse("/moderators/:id(.:format)")
=> #<ActionDispatch::Journey::Nodes::Cat:0x00007fa633df05d0 @left=#<ActionDispatch::Journey::Nodes::Slash:0x00007fa633df1110 @left="/", @memo=nil>, @memo=nil, @right=#<ActionDispatch::Journey::Nodes::Cat:0x00007fa633df0648 @left=#<ActionDispatch::Journey::Nodes::Literal:0x00007fa633df0ff8 @left="moderators", @memo=nil>, @memo=nil, @right=#<ActionDispatch::Journey::Nodes::Cat:0x00007fa633df0698 @left=#<ActionDispatch::Journey::Nodes::Slash:0x00007fa633df0f08 @left="/", @memo=nil>, @memo=nil, @right=#<ActionDispatch::Journey::Nodes::Cat:0x00007fa633df06e8 @left=#<ActionDispatch::Journey::Nodes::Symbol:0x00007fa633df0cb0 @left=":id", @memo=nil, @regexp=/[^\.\/\?]+

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{[200, {}, [“Hello World”]]}

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mix new dailyploy_project --umbrella

   |-- apps
   |-- config
   |      -config.exs
   |-- mix.exs
   |- README.md