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denoland-deno/cli/tests/testdata/run/finalization_registry.js
David Sherret 2fee8394a9
chore: update copyright year to 2023 (#17247)
Yearly tradition of creating extra noise in git.
2023-01-05 13:05:49 +01:00

20 lines
418 B
JavaScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
"use strict";
function assertEquals(a, b) {
if (a === b) return;
throw a + " does not equal " + b;
}
const registry = new FinalizationRegistry((value) => {
assertEquals(value, "called!");
Deno.core.print("FinalizationRegistry called!\n");
});
(function () {
let x = {};
registry.register(x, "called!");
x = null;
})();
gc();