@polkadot/util
Version:
A collection of useful utilities for @polkadot
14 lines (13 loc) • 391 B
TypeScript
/**
* @name compactAddLength
* @description Adds a length prefix to the input value
* @example
* <BR>
*
* ```javascript
* import { compactAddLength } from '@polkadot/util';
*
* console.log(compactAddLength(new Uint8Array([0xde, 0xad, 0xbe, 0xef]))); // Uint8Array([4 << 2, 0xde, 0xad, 0xbe, 0xef])
* ```
*/
export declare function compactAddLength(input: Uint8Array): Uint8Array;