*
   * <p>This differs from {@code Long.bitCount(x) == 1}, because {@code
   * Long.bitCount(Long.MIN_VALUE) == 1}, but {@link Long#MIN_VALUE} is not a power of two.
   */
  // Whenever both tests are cheap and functional, it's faster to use &, | instead of &&, ||
  @SuppressWarnings("ShortCircuitBoolean")
  public static boolean isPowerOfTwo(long x) {
    return x > 0 & (x & (x - 1)) == 0;
  }

  /**

3. Ensure you have added or ran the appropriate tests for your PR: https://git.k8s.io/community/contributors/devel/sig-testing/testing.md
4. If you want *faster* PR reviews, read how: https://git.k8s.io/community/contributors/guide/pull-requests.md#best-practices-for-faster-reviews
5. If the PR is unfinished, see how to mark it: https://git.k8s.io/community/contributors/guide/pull-requests.md#marking-unfinished-pull-requests
-->

/** @author Jesse Wilson */
final class Platform {
  static CharMatcher precomputeCharMatcher(CharMatcher matcher) {
    // CharMatcher.precomputed() produces CharMatchers that are maybe a little
    // faster (and that's debatable), but definitely more memory-hungry. We're
    // choosing to turn .precomputed() into a no-op in GWT, because it doesn't
    // seem to be a worthwhile tradeoff in a browser.
    return matcher;
  }

On Windows, [Current] has been made considerably faster when
the current user is joined to a slow domain, which is the
usual case for many corporate users. The new implementation
performance is now in the order of milliseconds, compared to
the previous implementation which could take several seconds,

* Pre-existing log files are now opened with O_APPEND, instead of O_TRUNC. This helps prevent losing logs when components crash-loop, and also enables external log rotation utilities to truncate log files in-place without components extending log files to their pre-truncation sizes on subsequent writes. ([#74837](https://github.com/kubernetes/kubernetes/pull/74837), [@mtaufen](https:...

    return delegate.toArray(other);
  }

  @Override
  public String toString() {
    return delegate.toString();
  }

  // TODO(cpovirk): equals(), as well, in case it's any faster than Sets.equalsImpl?

  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

about: Create a report to help us improve
title: ''
labels: community, triage
assignees: ''

---

## NOTE
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<!--- Provide a general summary of the issue in the Title above -->

## Expected Behavior
<!--- If you're describing a bug, tell us what should happen -->

  abstract ImmutableCollection<E> delegateCollection();

  @Override
  public boolean contains(@CheckForNull Object target) {
    // The collection's contains() is at least as fast as ImmutableList's
    // and is often faster.
    return delegateCollection().contains(target);
  }

  @Override
  public int size() {
    return delegateCollection().size();
  }

  @Override
  public boolean isEmpty() {

labels.ldapSecurityPrincipal	=	DN de l'utilisateur
labels.ldapAdminSecurityPrincipal	=	Bind DN
labels.ldapAdminSecurityCredentials	=	Mot de passe
labels.ldapBaseDn	=	DN de base
labels.ldapAccountFilter	=	Filtre de compte
labels.ldapGroupFilter	=	Filtre de groupe
labels.ldapMemberofAttribute	=	Attribut memberOf
labels.oldPassword	=	Mot de passe actuel
labels.newPassword	=	nouveau mot de passe
labels.confirmNewPassword	=	Nouveau mot de passe (confirmer)

                  "config": "/apis/networking.istio.io/v1alpha3/namespaces/default/destination-rule/productpage",
                  "subset": "v1"
                }
              }
            },
            "filters": [
              {
                "name": "istio.metadata_exchange",
                "typed_config": {
                  "@type": "type.googleapis.com/envoy.tcp.metadataexchange.config.MetadataExchange",