module type Http_t =sig..end
This is the type of Http request API that the modules require.
type request = 
| | 
Get | 
| | 
Post of  | 
exception Http of string
val default_timeout : float Stdlib.ref
val request : ?timeout:float ->
       ?headers:(string * string) list ->
       ?port:int ->
       host:string ->
       url:string -> request:request -> unit -> string