Method prop

packages/effect/src/unstable/reactivity/AtomRef.ts:177–179

(prop: K)

class AtomRefImpl<A> extends ReadonlyRefImpl<A> implements AtomRef<A> {
  prop<K extends keyof A>(prop: K): AtomRef<A[K]> {
    return new PropRefImpl(this, prop)
  }
  set(value: A) {
    if (Equal.equals(value, this.value)) {
      return this