src/index.js
export {default as _increment} from './_increment.js';
export {default as _powerset} from './_powerset.js';
export {default as powerset} from './powerset.js';
export {default as _increment} from './_increment.js';
export {default as _powerset} from './_powerset.js';
export {default as powerset} from './powerset.js';