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import { Evt } from "../lib/index.ts";
let evt = Evt.create();
let i = 0;
evt.attach(() => { i++; });
let called= false;
let success= false;
evt.attachOnce(() => {    console.assert(!called);    success= true;});
console.assert(evt.postCount === 0);
evt.post();called= true;evt.post();evt.post();
console.assert(evt.postCount === 3);
console.assert(i === 3);
console.assert(success);
console.log("PASS");