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Module

std/io/buffer.ts>Buffer#truncate

Deno standard library
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The Standard Library has been moved to JSR. See the blog post for details.
method Buffer.prototype.truncate
import { Buffer } from "https://deno.land/std@0.166.0/io/buffer.ts";

Discards all but the first n unread bytes from the buffer but continues to use the same allocated storage. It throws if n is negative or greater than the length of the buffer.

Parameters

n: number