gistfile1.pl

# Merb-like

  use HTTP::Router::Declare;

  my $router = router {
      # path and params
      match '/' => to { controller => 'Root', action => 'index' };

      # path, conditions, and params
      match '/home',        { method => 'GET' }     => to { controller => 'Home', action => 'show' };
      match '/date/{year}', { year => qr/^\d{4}$/ } => to { controller => 'Date', action => 'by_year' };
 
      # path, params, and nesting
      match '/account' => to { controller => 'Account' } => then {
          match '/login'  => to { action => 'login' };
          match '/logout' => to { action => 'logout' };
      };
 
      # path nesting
      match '/account' => then {
          match '/signup' => to { controller => 'Users',   action => 'register' };
          match '/logout' => to { controller => 'Account', action => 'logout' };
      };
 
      # conditions nesting
      match { method => 'GET' } => then {
          match '/search' => to { controller => 'Items', action => 'search' };
          match '/tags'   => to { controller => 'Tags',  action => 'index' };
      };
 
      # params nesting
      with { controller => 'Account' } => then {
          match '/login'  => to { action => 'login' };
          match '/logout' => to { action => 'logout' };
      };
 
      # match only
      match '/{controller}/{action}/{id}.{format}';
      match '/{controller}/{action}/{id}';

      # create resources
      resources 'Users';
      resources 'Users', { only => ['index', 'show'] };
      resources 'Users', { except => ['delete', 'destroy'] };

      # user defined resources
      # GET /users/feeds
      # GET /users/{user_id}/settings
      resources 'Users', {
          collection => { feeds    => 'GET' },
          member     => { settings => 'GET' },
      };

      # nested resources
      # /users/{user_id}/articles, /users/{user_id}/articles/{article_id}, ...
      resources 'Users', then {
          resources 'Articles';
      };

      # create singleton resource
      resource 'Account';
      resource 'Account', { only => ['show', 'update'] };
      resource 'Account', { except => ['delete', 'destroy'] };

      # user defined singleton resource
      # GET /account/settings
      resource 'Account', { member => { settings => 'GET' } };

      # nested singleton resource to resource(s)
      # 1. resource 'Admin' to /account/admin
      # 2/ resources 'Articles' to /account/articles, /account/articles/{article_id}, ...
      resource 'Account', then {
          resource 'Admin';
          resources 'Articles';
      };
  };