view demo/broadcast.urs @ 1719:0bafdfae2ac7

Saving proper environments, to use in displaying nested error messages
author Adam Chlipala <adam@chlipala.net>
date Sat, 21 Apr 2012 14:57:00 -0400
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