//// tab | Python 3.10+

```Python
q: str | None = None
```

////

//// tab | Python 3.8+

```Python
q: Union[str, None] = None
```

////

Вот что мы получим, если обернём это в `Annotated`:

//// tab | Python 3.10+

```Python
q: Annotated[str | None] = None
```

////

//// tab | Python 3.8+

```Python
q: Annotated[Union[str, None]] = None
```

////

```

O parâmetro de consulta `q` é do tipo `Union[str, None]`, o que significa que é do tipo `str` mas que também pode ser `None`, e de fato, o valor padrão é `None`, então o FastAPI saberá que não é obrigatório.

/// note | "Observação"

O FastAPI saberá que o valor de `q` não é obrigatório por causa do valor padrão `= None`.

	if globalIsErasure || cache.Info.SkipHealing {
		skipHeal.Store(true)
	}

	// Check if we should do healing at all.
	s.shouldHeal = func() bool {
		if skipHeal.Load() {
			return false
		}
		if s.healObjectSelect == 0 {
			return false
		}
		if di, _ := drive.DiskInfo(ctx, DiskInfoOptions{}); di.Healing {
			skipHeal.Store(true)
			return false
		}
		return true
	}

labels.crawling_info_DataCrawlExecTime=Crawl exec time (Data store)
labels.crawling_info_DataCrawlStartTime=Crawl start time (Data store)
labels.crawling_info_DataCrawlEndTime=Crawl end time (Data store)
labels.crawling_info_DataIndexExecTime=Indexing exec time (Data store)
labels.crawling_info_DataIndexSize=Index size (Data store)
labels.webauth_configuration=Web Authentication
labels.webauth_list_hostname=Hostname

The fast food store has 8 processors (cashiers/cooks). While the concurrent burgers store might have had only 2 (one cashier and one cook).

But still, the final experience is not the best. 😞

---

This would be the parallel equivalent story for burgers. 🍔

For a more "real life" example of this, imagine a bank.

        final ConstructorDesc ctor = beanDesc.getConstructorDesc();
        assertThat(ctor, is(notNullValue()));
        assertThat(ctor.getBeanDesc(), is(sameInstance(beanDesc)));
        assertThat(ctor.getConstructor(), is((Constructor) MyBean.class.getConstructor()));
        assertThat(ctor.getParameterTypes().length, is(0));
        assertThat(ctor.isPublic(), is(true));

	var handlerErr atomic.Pointer[RemoteErr]
	go func() {
		wg.Wait()
		defer xioutil.SafeClose(send)
		err := m.handleRequests(ctx, msg, send, handler, handlerIn)
		if err != nil {
			handlerErr.Store(err)
		}
	}()

	// Response sender goroutine...
	go func(outBlock <-chan struct{}) {
		wg.Wait()
		defer m.parent.deleteMux(true, m.ID)
		m.sendResponses(ctx, send, c, &handlerErr, outBlock)

	return
}

// Del - Deletes an entry from the store.
func (store *QueueStore[_]) Del(key Key) error {
	store.Lock()
	defer store.Unlock()
	return store.del(key)
}

// Len returns the entry count.
func (store *QueueStore[_]) Len() int {
	store.RLock()
	l := len(store.entries)
	defer store.RUnlock()
	return l
}

// lockless call
func (store *QueueStore[_]) del(key Key) error {

	}
	// Put 10 items
	for i := 0; i < 10; i++ {
		if _, err := store.Put(testItem); err != nil {
			t.Fatal("Failed to put to queue store ", err)
		}
	}
	itemKeys := store.List()
	// Get 10 items.
	if len(itemKeys) == 10 {
		for _, key := range itemKeys {
			item, eErr := store.Get(key)
			if eErr != nil {
				t.Fatal("Failed to Get the item from the queue store ", eErr)
			}

// Name - returns the Name of the target.
func (target *MySQLTarget) Name() string {
	return target.ID().String()
}

// Store returns any underlying store if set.
func (target *MySQLTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *MySQLTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}