import { Buffer } from "https://deno.land/x/grm@v0.3.1/deps.ts";
Writes value to buf at the specified offset as big-endian. The valuemust be a JavaScript number. Behavior is undefined when value is anything
other than a JavaScript number.
import { Buffer } from 'buffer';
const buf = Buffer.allocUnsafe(8);
buf.writeDoubleBE(123.456, 0);
console.log(buf);
// Prints: <Buffer 40 5e dd 2f 1a 9f be 77>