record ReqEnv : TypeDescription of a form of "environment" variable that needs to
be generated and available when processing a request.
0 .type : ReqEnv -> Type0 .type : ReqEnv -> Type0 type : ReqEnv -> Typerecord ReqTime : TypeTime, at which the request is being processed.
.time : ReqTime -> Clock UTC.time : ReqTime -> Clock UTCtime : ReqTime -> Clock UTC