Function update

src/functional/update.ts:81–100

(
  collection: C,
  key: K,
  notSetValue: NSV | UpdaterFunction<V>,
  updater?: UpdaterFunctionWithNSV<V, NSV>
)

): { [key: string]: V };

export function update<
  K,
  V,
  TProps extends object,
  C extends PossibleCollection<K, V, TProps>,
  NSV,
>(
  collection: C,
  key: K,
  notSetValue: NSV | UpdaterFunction<V>,
  updater?: UpdaterFunctionWithNSV<V, NSV>
) {
  return updateIn(
    // @ts-expect-error Index signature for type string is missing in type V[]
    collection,
    [key],
    notSetValue,
    updater
  );
}