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import { Evt } from "../lib/index.ts";
type T= string;
let evt = new Evt<T>();
let evtProxy= new Evt<T>();
evt.attachOnce(data => evtProxy.post(data));
let success= false;
evtProxy.attach(data => {
    console.assert(data === "ok");
    success= true;

});
evt.post("ok");evt.post("ko");

console.assert(success);
console.log("PASS");