Functor Common_types.GroupCoreSig.Chan_to_viewmanager

module Chan_to_viewmanager: 
functor (Types : sig
type d_t 

type c_t 

end) -> ChanSrc_group_to_viewmanager  with
         type group_dsc = t and type viewmgr_dsc = viewmgr and 
         type d_t = Types.d_t and type c_t = Types.c_t