// Adding the class hashCode to avoid a clash with Succ instances.
        return Pred.class.hashCode() + node.hashCode();
      }
    }

    static final class Succ<N> extends NodeConnection<N> {
      Succ(N node) {
        super(node);
      }

      @Override
      public boolean equals(@CheckForNull Object that) {
        if (that instanceof Succ) {
          return this.node.equals(((Succ<?>) that).node);

    AvlNode() {
      this.elem = null;
      this.elemCount = 1;
    }

    // For discussion of pred() and succ(), see the comment on the pred and succ fields.

    private AvlNode<E> pred() {
      return requireNonNull(pred);
    }

    private AvlNode<E> succ() {
      return requireNonNull(succ);
    }

    int count(Comparator<? super E> comparator, @ParametricNullness E e) {

// license that can be found in the LICENSE file.

package p

// Test case from issue.

type Nat /* ERROR "invalid recursive type" */ interface {
	Zero|Succ
}

type Zero struct{}
type Succ struct{
	Nat // Nat contains type constraints but is invalid, so no error
}

// Struct tests.

type I1 interface {
	comparable
}

type I2 interface {
	~int
}

L32:if %GOBUILDFAIL%==1 goto end
L33:echo # go install -race std
L34:go install -race std
L35:if errorlevel 1 goto fail
L36:
L37:go tool dist test -race
L38:
L39:if errorlevel 1 goto fail
L40:goto succ
L41:
L42::fail
L43:set GOBUILDFAIL=1
L44:echo Fail.
L45:goto end
L46:
L47::succ
L48:echo All tests passed.
L49:
L50::end
L51:if x%GOBUILDEXIT%==x1 exit %GOBUILDFAIL%
...

        "**/%*%",
        "**/.#*",
        "**/._*",
        "**/#*#",
        "**/*~",
        "**/.DS_Store",

        "**/CVS",
        "**/CVS/**",
        "**/.cvsignore",

        "**/SCCS",
        "**/SCCS/**",

        "**/.bzr",
        "**/.bzr/**",
        "**/.bzrignore",

        "**/vssver.scc",

        "**/.hg",
        "**/.hg/**",
        "**/.hgtags",
        "**/.hgignore",

Par exemple, disons que vous voulez avoir un *chemin d'accès* qui permet de mettre à jour les éléments et renvoie les codes HTTP 200 "OK" en cas de succès.

Mais vous voulez aussi qu'il accepte de nouveaux éléments. Et lorsque les éléments n'existaient pas auparavant, il les crée et renvoie un code HTTP de 201 "Créé".

      ValueSetLink<K, V> pred, ValueSetLink<K, V> succ) {
    pred.setSuccessorInValueSet(succ);
    succ.setPredecessorInValueSet(pred);
  }

  private static <K extends @Nullable Object, V extends @Nullable Object> void succeedsInMultimap(
      ValueEntry<K, V> pred, ValueEntry<K, V> succ) {
    pred.setSuccessorInMultimap(succ);
    succ.setPredecessorInMultimap(pred);
  }

      ValueSetLink<K, V> pred, ValueSetLink<K, V> succ) {
    pred.setSuccessorInValueSet(succ);
    succ.setPredecessorInValueSet(pred);
  }

  private static <K extends @Nullable Object, V extends @Nullable Object> void succeedsInMultimap(
      ValueEntry<K, V> pred, ValueEntry<K, V> succ) {
    pred.setSuccessorInMultimap(succ);
    succ.setPredecessorInMultimap(pred);
  }

ultExcludes() as Set == ['**/%*%', '**/.git/**', '**/SCCS', '**/.bzr', '**/.hg/**', '**/.bzrignore', '**/.git', '**/SCCS/**', '**/.hg', '**/.#*', '**/vssver.scc', '**/.bzr/**', '**/._*', '**/#*#', '**/*~', '**/CVS', '**/.hgtags', '**/.svn/**', '**/.hgignore', '**/.svn', '**/.gitignore', '**/.gitmodules', '**/.hgsubstate', '**/.gitattributes', '**/CVS/**', '**/.hgsub', '**/.DS_Store', '**/.cvsignore'] as Set

        ['%some%', 'SCCS', '.bzr', '.bzrignore', '.git', '.hg', '.#anything', '.#',...

        return; // give up if someone is calling complete
      }
      Waiter succ;
      while (curr != null) {
        succ = curr.next;
        if (curr.thread != null) { // we aren't unlinking this node, update pred.
          pred = curr;
        } else if (pred != null) { // We are unlinking this node and it has a predecessor.
          pred.next = succ;