aureooms-js-array/src/rotate.js

array manipulation code bricks for JavaScript

import { reverse } from '.' ;

/**
 * In place O(n).
 *
 * Rotate right version.
 * See http://prakhar.me/articles/the-string-rotation-problem/.
 */

export function rotate ( a , i , j , n ) {

	reverse( a , i , j ) ;
	reverse( a , i , i + n ) ;
	reverse( a , i + n , j ) ;

}