long
A Long class for representing a 64 bit two's-complement integer value derived from the Closure Library for stand-alone use and extended with unsigned support.
usage
import { assert, assertEquals } from "https://deno.land/std@0.139.0/testing/asserts.ts";
import Long from "https://deno.land/x/long@v1.0.0/mod.ts";
Deno.test("long", function() {
const value = new Long(0xFFFFFFFF, 0x7FFFFFFF);
assertEquals(value.toString(), "9223372036854775807");
});
Deno.test("isLong", function() {
const value = new Long(0xFFFFFFFF, 0x7FFFFFFF);
assert(Long.isLong(value));
});