('a, 'b) uri represents a URI - both the path and query, e.g. /home/about/, /home/contact, /home/contact?name=a&no=123 etc.

A uri is created via usage of wtr.ppx.

pp_uri fmt uri pretty prints uri on to fmt.

'c route is a uri and its handler. 'c represents the value returned by the handler.

p >- route_handler creates a route from uri p and route_handler.

'a t represents a Trie based router.

create routes creates a router from a list of routes.

match t uri matches a route to uri, executes its handler and returns the computed value. None is returned if uri is not matched.

Represents a uri component decoder, such as :int, :float, :bool etc.

All user defined decoders conform to the module signature decoder.

create_decoder ~name ~decode creates a user defined decoder uri component. name is used during the pretty printing of uri.