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src/i3_client_publish.erl
-module(i3_client_publish).
-export([wrap/2, call/3, unwrap/1, null/2]).
wrap(Mod, ModState) ->
{ModState, fun Mod:publish/3}.
null(_Mod, ModState) ->
{ModState, fun(_, _, S) -> S end}.
call(Type, Payload, {ModState, Publish}) ->
{Publish(Type, Payload, ModState), Publish}.
unwrap({ModState, _}) ->
ModState.