if err == io.EOF && size != 0 {
		err = io.ErrUnexpectedEOF
	}
	if err != nil && err != io.EOF {
		cr.err = err
		return n, cr.err
	}

	// If the chunk size is zero we return io.EOF. As specified by AWS,
	// only the last chunk is zero-sized.
	if len(cr.buffer) == 0 {
		if cr.debug {
			fmt.Println("EOF")
		}
		if cr.trailers != nil {
			err = cr.readTrailers()
			if cr.debug {

			trimLen:  3,
			expected: []int{},
		},
		{
			name:     "Trim length greater than slice length",
			input:    []int{1, 2, 3},
			trimLen:  5,
			expected: []int{},
		},
		{
			name:     "Zero trim length",
			input:    []int{1, 2, 3},
			trimLen:  0,
			expected: []int{1, 2, 3},
		},
		{
			name:     "Trim one element from end",
			input:    []int{1, 2, 3},
			trimLen:  1,

    # has its own internal pool (e.g. a database connection pool)
    # to avoid this we let __exit__ run without a capacity limit
    # since we're creating a new limiter for each call, any non-zero limit
    # works (1 is arbitrary)
    exit_limiter = CapacityLimiter(1)
    try:
        yield await run_in_threadpool(cm.__enter__)
    except Exception as e:
        ok = bool(

		return errTransitionDateNotMidnight
	}

	*tDate = TransitionDate{trnDate}
	return nil
}

// MarshalXML encodes expiration date if it is non-zero and encodes
// empty string otherwise
func (tDate TransitionDate) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
	if tDate.Time.IsZero() {
		return nil
	}

	"golang.org/x/crypto/blake2b"

	xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/minio/internal/logger"
)

// magic HH-256 key as HH-256 hash of the first 100 decimals of π as utf-8 string with a zero key.
var magicHighwayHash256Key = []byte("\x4b\xe7\x34\xfa\x8e\x23\x8a\xcd\x26\x3e\x83\xe6\xbb\x96\x85\x52\x04\x0f\x93\x5d\xa3\x9f\x44\x14\x97\xe0\x9d\x13\x22\xde\x36\xa0")

var bitrotAlgorithms = map[BitrotAlgorithm]string{

				}

				// if the default concurrency yields zero results, throw an error.
				if throughputHighestResults[i].Downloads == 0 && opts.concurrencyStart == concurrency {
					errStr = fmt.Sprintf("no results for downloads upon first attempt, concurrency %d and duration %s",
						opts.concurrencyStart, opts.duration)
				}

				// if the default concurrency yields zero results, throw an error.

    name: str
    description: Union[str, None] = Field(
        default=None, title="The description of the item", max_length=300
    )
    price: float = Field(gt=0, description="The price must be greater than zero")
    tax: Union[float, None] = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Annotated[Item, Body(embed=True)]):
    results = {"item_id": item_id, "item": item}

---

"_Ti o ba n wa láti kọ ọkan **ìlànà igbalode** fún kikọ àwọn REST API, ṣayẹwo **FastAPI** [...] Ó yára, ó rọrùn láti lò, ó sì rọrùn láti kọ́[...]_"

"_A ti yipada si **FastAPI** fún **APIs** wa [...] Mo lérò pé wà á fẹ́ràn rẹ̀ [...]_"

Entonces, con esa declaración de tipos **FastAPI** te da <abbr title="convertir el string que viene de un HTTP request a datos de Python">"parsing"</abbr> automático del request.

///

## Validación de datos

Pero si abres tu navegador en <a href="http://127.0.0.1:8000/items/foo" class="external-link" target="_blank">http://127.0.0.1:8000/items/foo</a> verás este lindo error de HTTP:

```JSON
{
    "detail": [
        {

				isArrayKind = reflectValue.Kind() == reflect.Array
			)

			if !update || reflectValue.Len() == 0 {
				update = false
				if isArrayKind {
					db.Statement.ReflectValue.Set(reflect.Zero(reflectValue.Type()))
				} else {
					// if the slice cap is externally initialized, the externally initialized slice is directly used here
					if reflectValue.Cap() == 0 {