rax-use-promise

``jsx
import { createElement, useMemo } from 'rax';
import usePromise from 'rax-use-promise';

const fetchData = () => fetch('https://httpbin.org/get').then(res => res.json());

function Example() {
const [data, error] = usePromise(useMemo(fetchData));
if (error) {
return

error

} else if (data) {
return

{data.foo}

}
}
``