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function Deno.readAll

Read Reader r until EOF (null) and resolve to the content as Uint8Array`.

// Example from stdin
const stdinContent = await Deno.readAll(Deno.stdin);

// Example from file
const file = await"my_file.txt", {read: true});
const myFileContent = await Deno.readAll(file);

// Example from buffer
const myData = new Uint8Array(100);
// ... fill myData array with data
const reader = new Deno.Buffer(myData.buffer as ArrayBuffer);
const bufferContent = await Deno.readAll(reader);