if (newValue == 0) {
            // Just CASed to 0; remove the entry to clean up the map. If the removal fails,
            // another thread has already replaced it with a new counter, which is fine.
            countMap.remove(element, existingCounter);
          }
          return oldValue;
        }
      } else {
        return 0;
      }
    }
  }

  /**

  static <T> IdentityLoader<T> identityLoader() {
    return new IdentityLoader<T>();
  }

  /**
   * Returns a {@code new Object()} for every request, and increments a counter for every request.
   * The count is accessible via {@link #getCount}.
   */
  static class CountingLoader extends CacheLoader<Object, Object> {
    private final AtomicInteger count = new AtomicInteger();

      extends ImmutableList<Range<C>> {

    private final ImmutableList<Range<C>> ranges;

    // True if the "positive" range set is empty or bounded below.
    private final boolean positiveBoundedBelow;

    // True if the "positive" range set is empty or bounded above.
    private final boolean positiveBoundedAbove;

    private final int size;

    ComplementRanges(ImmutableList<Range<C>> ranges) {

    return value;
  }

  /**
   * Returns the value of this {@code UnsignedLong} as a {@code float}, analogous to a widening
   * primitive conversion from {@code long} to {@code float}, and correctly rounded.
   */
  @Override
  public float floatValue() {
    if (value >= 0) {
      return (float) value;
    }
    // The top bit is set, which means that the float value is going to come from the top 24 bits.

Cette sous‑application est simplement une autre application FastAPI standard, mais c'est celle qui sera « montée » :

{* ../../docs_src/sub_applications/tutorial001_py310.py hl[11, 14:16] *}

### Monter la sous-application { #mount-the-sub-application }

Dans votre application de premier niveau, `app`, montez la sous‑application, `subapi`.

Dans ce cas, elle sera montée au chemin `/subapi` :

 *
 * @author Louis Wasserman
 * @since 30.0
 */
@J2ktIncompatible
@GwtIncompatible
public class BigDecimalMath {
  private BigDecimalMath() {}

  /**
   * Returns {@code x}, rounded to a {@code double} with the specified rounding mode. If {@code x}
   * is precisely representable as a {@code double}, its {@code double} value will be returned;

  }

  private static class Counter<N extends Number> {
    @Keep List<N> counts;
  }

  public void testWildcardCaptured_typeVariableDeclaresTypeBound_wildcardHasNoExplicitUpperBound()
      throws Exception {
    TypeToken<Counter<?>> type = new TypeToken<Counter<?>>() {};
    TypeToken<?> fieldType =
        type.resolveType(Counter.class.getDeclaredField("counts").getGenericType());

    }
  }

  static void checkInRangeForRoundingInputs(boolean condition, double input, RoundingMode mode) {
    if (!condition) {
      throw new ArithmeticException(
          "rounded value is out of range for input " + input + " and rounding mode " + mode);
    }
  }

  static void checkNoOverflow(boolean condition, String methodName, int a, int b) {
    if (!condition) {

{* ../../docs_src/behind_a_proxy/tutorial004_py310.py hl[9] *}

Dann wird er nicht in das OpenAPI-Schema aufgenommen.

## Mounten einer Unteranwendung { #mounting-a-sub-application }

Wenn Sie gleichzeitig eine Unteranwendung mounten (wie beschrieben in [Unteranwendungen – Mounts](sub-applications.md)) und einen Proxy mit `root_path` verwenden wollen, können Sie das normal tun, wie Sie es erwarten würden.

      extends ImmutableList<Range<C>> {

    private final ImmutableList<Range<C>> ranges;

    // True if the "positive" range set is empty or bounded below.
    private final boolean positiveBoundedBelow;

    // True if the "positive" range set is empty or bounded above.
    private final boolean positiveBoundedAbove;

    private final int size;

    ComplementRanges(ImmutableList<Range<C>> ranges) {