anchor.diff:  [[:hello-world :http "example.com"
    ["/hello-world" {:get hello-world}]]]
   ----
  -
   
   Route vectors can be nested arbitrarily deep. Each vector adds a path
   segment. The nesting structure of the route vectors maps to the
  
positive.code: | Map
  | Verbose
  |===
  
  
  === Verbose Syntax
  
negative.code: function is used to construct a router. The function must take one
  argument: the collection of fully expanded routes. It must return
  something that satisfies the
  link:http://pedestal.io/api/pedestal.route/io.pedestal.http.route.router.html#var-Router[`Router`]
  protocol.