Isso foi alterado na versão 0.110.0 para corrigir consumo de memória não tratado decorrente de exceções encaminhadas sem um tratador (erros internos do servidor), e para torná-lo consistente com o comportamento do código Python regular.

### Tarefas em Segundo Plano e Dependências com `yield`, Detalhes Técnicos { #background-tasks-and-dependencies-with-yield-technical-details }

func (f *formatter) formatString(b []byte, s string) {
	if len(s) > len(b) {
		f.err = ErrFieldTooLong
	}
	copy(b, s)
	if len(s) < len(b) {
		b[len(s)] = 0
	}

	// Some buggy readers treat regular files with a trailing slash
	// in the V7 path field as a directory even though the full path
	// recorded elsewhere (e.g., via PAX record) contains no trailing slash.
	if len(s) > len(b) && b[len(b)-1] == '/' {

                }
            }
            response.sendError(statusCode, message);
        }
    }

    /**
     * Processes API requests to the search engine.
     * Handles both regular API calls and plugin requests.
     *
     * @param request  the HTTP servlet request
     * @param response the HTTP servlet response
     * @param path     the request path after removing the prefix
     */

          conditionName = "If-Modified-Since"
          conditionValue = servedDateString
        }

        else -> {
          return CacheStrategy(request, null)
        } // No condition! Make a regular request.
      }

      val conditionalRequestHeaders = request.headers.newBuilder()
      conditionalRequestHeaders.addLenient(conditionName, conditionValue!!)

      val conditionalRequest =
        request

    long nanos = elapsedNanos();

    TimeUnit unit = chooseUnit(nanos);
    double value = (double) nanos / NANOSECONDS.convert(1, unit);

    // Too bad this functionality is not exposed as a regular method call
    return Platform.formatCompact4Digits(value) + " " + abbreviate(unit);
  }

  private static TimeUnit chooseUnit(long nanos) {
    if (DAYS.convert(nanos, NANOSECONDS) > 0) {
      return DAYS;

Der auf die `yield`-Anweisung folgende Code wird nach der Response ausgeführt:

{* ../../docs_src/dependencies/tutorial007_py310.py hl[5:6] *}

/// tip | Tipp

Sie können `async`- oder reguläre Funktionen verwenden.

**FastAPI** wird bei jeder das Richtige tun, so wie auch bei normalen Abhängigkeiten.

///

## Eine Abhängigkeit mit `yield` und `try` { #a-dependency-with-yield-and-try }

///

## Hacher et vérifier les mots de passe { #hash-and-verify-the-passwords }

Importez les outils nécessaires depuis `pwdlib`.

Créez une instance PasswordHash avec les réglages recommandés ; elle sera utilisée pour hacher et vérifier les mots de passe.

/// tip | Astuce

    return new CompositionPredicate<>(predicate, function);
  }

  /**
   * Returns a predicate that evaluates to {@code true} if the {@code CharSequence} being tested
   * contains any match for the given regular expression pattern. The test used is equivalent to
   * {@code Pattern.compile(pattern).matcher(arg).find()}
   *
   * @throws IllegalArgumentException if the pattern is invalid
   * @since 3.0
   */

			var err error
			linkTarget, err = fs.ReadLink(fsys, name)
			if err != nil {
				return err
			}
		} else if !typ.IsRegular() && typ != fs.ModeDir {
			return errors.New("tar: cannot add non-regular file")
		}
		h, err := FileInfoHeader(info, linkTarget)
		if err != nil {
			return err
		}
		h.Name = name
		if d.IsDir() {
			h.Name += "/"
		}
		if err := tw.WriteHeader(h); err != nil {

	diskFillFraction = 0.99

	// diskReserveFraction is the fraction of a disk where we will fill other server pools first.
	// If all pools reach this, we will use all pools with regular placement.
	diskReserveFraction = 0.15

	// diskAssumeUnknownSize is the size to assume when an unknown size upload is requested.
	diskAssumeUnknownSize = 1 << 30