weakset.js
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weakset.js
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	import { test, summary } from './helpers.js';

	console.log('WeakSet Tests\n');

	const ws = new WeakSet();
	const obj1 = {};
	const obj2 = {};

	ws.add(obj1);
	ws.add(obj2);

	test('weakset has true', ws.has(obj1), true);
	test('weakset has true 2', ws.has(obj2), true);
	test('weakset has false', ws.has({}), false);

	ws.delete(obj1);
	test('weakset delete', ws.has(obj1), false);
	test('weakset still has obj2', ws.has(obj2), true);

	const obj3 = { id: 1 };
	ws.add(obj3);
	ws.add(obj3);
	test('weakset duplicate add', ws.has(obj3), true);

	summary();

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