Function resource

packages/effect/test/Scope.test.ts:38–47

(id: number, ref: Ref.Ref<ReadonlyArray<Action>>)

const isRelease = (self: Action): self is Use => self.op === OP_RELEASE

const resource = (id: number, ref: Ref.Ref<ReadonlyArray<Action>>): Effect.Effect<number, never, Scope.Scope> => {
  return pipe(
    Ref.update(ref, (actions) => [...actions, acquire(id)]),
    Effect.as(id),
    Effect.uninterruptible,
    Effect.ensuring(
      Effect.scopeWith((scope) => scope.addFinalizer(() => Ref.update(ref, (actions) => [...actions, release(id)])))
    )
  )
}

describe("Scope", () => {
  it.effect("runs finalizers when the scope is closed", () =>