Diffusion Ant (feature/nursery) Code

ant/examples/spec/weakset.js
ddfe6237cab5feature/nursery

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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