import Repl from '@/repl/Repl.tsx'; import CodeLink from '@/mdx-components/CodeLink.tsx';

updateIn()

Returns a copy of the collection with the value at the key path set to the result of providing the existing value to the updating function.

A functional alternative to collection.updateIn(keypath, fn) which will also work with plain Objects and Arrays.

<Signature code={updateIn(collection: C, keyPath: Iterable, updater: (value: any) => any): C;} />