sig
type out = string Ocsigen_stream.t
type m
val make : Ocsigen_stream.StringStream.m -> Ocsigen_stream.StringStream.out
val empty : Ocsigen_stream.StringStream.m
val put : string -> Ocsigen_stream.StringStream.m
val concat :
Ocsigen_stream.StringStream.m ->
Ocsigen_stream.StringStream.m -> Ocsigen_stream.StringStream.m
end