// Small Buffers own exact-size ArrayBuffers here, while Node allocates them
// from a shared 64 KiB pool, so buf.buffer.byteLength and buf.byteOffset
// differ. Reading a Buffer's window of its ArrayBuffer through byteOffset
// and length gives the same bytes either way, and Buffer.alloc is never
// pooled.
const small = Buffer.from("hello");
const copy = small.buffer.slice(small.byteOffset, small.byteOffset + small.length);
console.log(copy.byteLength, new TextDecoder().decode(new Uint8Array(copy)));
const view = new Uint8Array(small.buffer, small.byteOffset, small.length);
console.log(Array.from(view).join(","));
const joined = Buffer.concat([Buffer.from("ab"), Buffer.from("cd")]);
const data = new DataView(joined.buffer, joined.byteOffset, joined.length);
console.log(data.getUint16(0), data.byteLength);
const unsafe = Buffer.allocUnsafe(4).fill(7);
console.log(Array.from(new Uint8Array(unsafe.buffer, unsafe.byteOffset, 4)).join(","));
const zeroed = Buffer.alloc(16, 1);
console.log(zeroed.buffer.byteLength, zeroed.byteOffset);