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//>>built
// wrapped by build app
define("dojox/lang/async/event", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
dojo.provide("dojox.lang.async.event");
// Source of Deferred for events
(function(){
var d = dojo, event = dojox.lang.async.event;
event.from = function(src, name){
return function(){
var h, cancel = function(){
if(h){
d.disconnect(h);
h = null;
}
},
x = new d.Deferred(cancel);
h = d.connect(src, name, function(evt){
cancel();
x.callback(evt);
});
return x;
};
};
event.failOn = function(src, name){
return function(){
var h, cancel = function(){
if(h){
d.disconnect(h);
h = null;
}
},
x = new d.Deferred(cancel);
h = d.connect(src, name, function(evt){
cancel();
x.errback(new Error(evt));
});
return x;
};
};
})();
});
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