functional component
function component
See the following for context: - https://reactjs.org/docs/components-and-props.html#function-and-class-components - https://overreacted.io/how-are-function-components-different-from-classes/ - https://twitter.com/dan_abramov/status/1057625147216220162 - https://twitter.com/kentcdodds/status/1136274289965928448
* Update `packages/` * Update examples * Update tests * Update bench * Update top level files * Fix build * trigger