The Elm Architecture（0.18）effect moduleメモ ref: http://qiita.com/jooex/items/9cca8e4ec900b52ef30c

file0.js

function spawnLoop(init, onMessage)
{
    var andThen = _elm_lang$core$Native_Scheduler.andThen;

    function loop(state)
    {
        var handleMsg = _elm_lang$core$Native_Scheduler.receive(function(msg) {
            return onMessage(msg, state);
        });
        return A2(andThen, loop, handleMsg);
    }

    var task = A2(andThen, loop, init);

    return _elm_lang$core$Native_Scheduler.rawSpawn(task);
}

function onMessage(msg, model)
{
 ...
}

var mainProcess = spawnLoop(initApp, onMessage);