Function fn

repos/effect/packages/effect/src/unstable/reactivity/Atom.ts:1143–1148

(...args: ReadonlyArray<any>)

/**
 * Creates a writable atom for an `Effect` or `Stream` function; writing an argument starts the computation and exposes its state as an `AsyncResult`.
 *
 * @category constructors
 * @since 4.0.0
 */
export const fn: {
  <Arg>(): <E, A>(fn: (arg: Arg, get: FnContext) => Effect.Effect<A, E, Scope.Scope | AtomRegistry>, options?: {
    readonly initialValue?: A | undefined
    readonly concurrent?: boolean | undefined
  }) => AtomResultFn<Arg, A, E>