watch

Watches an atom for changes and calls a function when the value changes.

Signature

import { watch, Atom } from '@reaxium/core';

function watch<T>(
  store: Atom<T>,
  fn: (value: T) => void
): () => void

Name	Type	Description
`store`	`Atom<T>`	Atom to watch.
`fn`	`(value: T) => void`	Callback on value change.

Type	Description
`() => void`	Function to unsubscribe.

const count = atom(0);
const unsubscribe = watch(count, (val) => console.log(val));