method Buffer.readInt8
Usage in Deno
```typescript import { type Buffer } from "node:node__buffer.d.ts"; ```
Buffer.readInt8(offset?: number): number
Reads a signed 8-bit integer from `buf` at the specified `offset`.
Integers read from a `Buffer` are interpreted as two's complement signed values.
```js
import { Buffer } from 'node:buffer';
const buf = Buffer.from([-1, 5]);
console.log(buf.readInt8(0));
// Prints: -1
console.log(buf.readInt8(1));
// Prints: 5
console.log(buf.readInt8(2));
// Throws ERR_OUT_OF_RANGE.
```
number