PT
role_routes = roles_routes[role]
role_routes << path
roles_routes[role] = role_routes
role_routes << path
roles_routes[role] = role_routes
здесь нужно наверно ето
h = Hash.new { |h,k| h[k] = [] }
h[:foo] << :bar
h #=> {:foo=>[:bar]}
h[:foo] << :baz
h #=> {:foo=>[:bar, :baz]}
