view demo/broadcast.urs @ 2109:f42fea631c1d

Improve wildification for records of type-class witnesses
author Adam Chlipala <adam@chlipala.net>
date Wed, 28 Jan 2015 08:47:04 -0500
parents 4e260887d8f2
children
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functor Make(M : sig type t end) : sig
    type topic

    val inj : sql_injectable topic

    val create : transaction topic
    val subscribe : topic -> transaction (channel M.t)
    val send : topic -> M.t -> transaction unit

    val subscribers : topic -> transaction int
end