import { Buffer } from "https://deno.land/std@0.163.0/node/buffer.ts";
Reads a 64-bit, big-endian double from buf at the specified offset.
import { Buffer } from 'buffer';
const buf = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
console.log(buf.readDoubleBE(0));
// Prints: 8.20788039913184e-304