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

setIn()

Returns a copy of the collection with the value at the key path set to the provided value.

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

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

<Repl defaultValue={const original = { x: { y: { z: 123 }}} setIn(original, ['x', 'y', 'z'], 456)} />