b = 1 << iota  // b == 2  (iota == 1)
	c = 3          // c == 3  (iota == 2, unused)
	d = 1 << iota  // d == 8  (iota == 3)
)

const (
	u         = iota * 42  // u == 0     (untyped integer constant)
	v float64 = iota * 42  // v == 42.0  (float64 constant)
	w         = iota * 42  // w == 84    (untyped integer constant)
)

const x = iota  // x == 0

```Python hl_lines="2"
@app.get('/')
async def read_results():
    results = await some_library()
    return results
```

!!! note "Nota"
    Solo puedes usar `await` dentro de funciones creadas con `async def`.

---

// object should be returned by ObjectLayer.Walk method
type WalkVersionsSortOrder uint8

const (
	// WalkVersionsSortAsc - Sort in ascending order of ModTime
	WalkVersionsSortAsc WalkVersionsSortOrder = iota
	// WalkVersionsSortDesc - Sort in descending order of ModTime
	WalkVersionsSortDesc
)

// ObjectOptions represents object options for ObjectLayer object operations
type ObjectOptions struct {

* Faça uma **pergunta** ou pergunte sobre um **problema**.
* Sugira novos **recursos**.

**Nota**: Se você fizer uma pergunta, então eu gostaria de pedir que você também ajude os outros com suas respectivas perguntas. 😉

## Crie um Pull Request

1F38          ; mapped                 ; 1F30          # 1.1  GREEK CAPITAL LETTER IOTA WITH PSILI
1F39          ; mapped                 ; 1F31          # 1.1  GREEK CAPITAL LETTER IOTA WITH DASIA
1F3A          ; mapped                 ; 1F32          # 1.1  GREEK CAPITAL LETTER IOTA WITH PSILI AND VARIA

	xnet "github.com/minio/pkg/v2/net"
)

// the suffix for the configured queue dir where the logs will be persisted.
const kafkaLoggerExtension = ".kafka.log"

const (
	statusClosed = iota
	statusOffline
	statusOnline
)

// Config - kafka target arguments.
type Config struct {
	Enabled bool        `json:"enable"`
	Brokers []xnet.Host `json:"brokers"`
	Topic   string      `json:"topic"`

//
// The Writer currently provides no support for sparse files.
type Format int

// Constants to identify various tar formats.
const (
	// Deliberately hide the meaning of constants from public API.
	_ Format = (1 << iota) / 4 // Sequence of 0, 0, 1, 2, 4, 8, etc...

	// FormatUnknown indicates that the format is unknown.
	FormatUnknown

	// The format of the original Unix V7 tar tool prior to standardization.
	formatV7

	}
	return strings.HasPrefix(descendant, arg)
}

// MetricType - represents the type of a metric.
type MetricType int

const (
	// CounterMT - represents a counter metric.
	CounterMT MetricType = iota
	// GaugeMT - represents a gauge metric.
	GaugeMT
	// HistogramMT - represents a histogram metric.
	HistogramMT
)

func (mt MetricType) String() string {
	switch mt {
	case CounterMT:
		return "counter"

// actions that will be implemented later.
type Action int

//go:generate stringer -type Action $GOFILE

const (
	// NoneAction means no action required after evaluating lifecycle rules
	NoneAction Action = iota
	// DeleteAction means the object needs to be removed after evaluating lifecycle rules
	DeleteAction
	// DeleteVersionAction deletes a particular version
	DeleteVersionAction

O **FastAPI** é baseado nesses type hints, eles oferecem muitas vantagens e benefícios.

Mas mesmo que você nunca use o **FastAPI**, você se beneficiaria de aprender um pouco sobre eles.

!!! note "Nota"
     Se você é um especialista em Python e já sabe tudo sobre type hints, pule para o próximo capítulo.


## Motivação

Vamos começar com um exemplo simples:

```Python