src/rotl64.js
import {rotr64} from './rotr64.js';
/**
* Left rotate a 64-bit unsigned integer given as a pair of two 32-bit signed
* integers in big endian order.
*
* @param {Array} a
* @param {Number} s `0 <= s <= 64`
* @returns {Array}
*/
export function rotl64(a, s) {
return rotr64(a, 64 - s);
}