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Module

std/io/read_long.ts>readLong

Deno standard library
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The Standard Library has been moved to JSR. See the blog post for details.
function readLong
Deprecated
Deprecated

(will be removed after 1.0.0) Use the Web Streams API instead.

import { readLong } from "https://deno.land/std@0.220.0/io/read_long.ts";

Read big endian 64bit long from BufReader

Returns

Promise<number | null>