adam@1: datatype readiness a = Ready of a | Waiting | Invalid of string
adam@1: datatype rpcResult a = Success of a | Failure of string
adam@1: 
adam@1: val warning : a ::: Type -> signal (readiness a) -> xbody
kkallio@9: 
adam@27: val warningFmt : a ::: Type -> ctx ::: {Unit} -> [ctx ~ [Dyn]] 
adam@27:     => (string -> xml (ctx ++ [Dyn]) [] []) -> signal (readiness a) 
adam@27:     -> xml (ctx ++ [Dyn]) [] []
kkallio@9: (* A version of warning that adds a chrome wrapper to the warning message. *)