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denoland-deno/cli/tests/testdata/run/finalization_registry.js
Bartek Iwańczuk abd9610530
refactor: remove Deno.core (#16881)
This commit removes "Deno.core" namespace. It is strictly private API
that has no stability guarantees, we were supposed to remove it long time ago.

Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
2023-01-24 18:54:10 +01:00

20 lines
433 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[Deno.internal].core.print("FinalizationRegistry called!\n");
});
(function () {
let x = {};
registry.register(x, "called!");
x = null;
})();
gc();