assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3)).read());
    assertEquals(expected, CharSource.concat(c1, c2, c3).read());
    assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3).iterator()).read());
    assertFalse(CharSource.concat(c1, c2, c3).isEmpty());

    CharSource emptyConcat = CharSource.concat(CharSource.empty(), CharSource.empty());
    assertTrue(emptyConcat.isEmpty());
  }

package cmd

import (
	"encoding/binary"
	"encoding/hex"
	"encoding/json"
	"fmt"
	"time"

	"github.com/cespare/xxhash/v2"
	jsoniter "github.com/json-iterator/go"
)

// XL constants.
const (
	// XL metadata file carries per object metadata.
	xlStorageFormatFileV1 = "xl.json"
)

// Valid - tells us if the format is sane by validating

            return new ArrayList<>(this);
        }

        @Override
        public Iterator<V> iterator() {
            if (map != null) {
                return map.values().iterator();
            } else {
                return list.iterator();
            }
        }

        void mergeAll(Collection<V> vs, Remapping<V> remapping) {
            if (map == null) {

                }
            }
            if (!list.isEmpty()) {
                list.sort(getPriorityComparator());
                //noinspection unchecked
                return () -> (Q) getInstance(list.iterator().next());
            } else if (dep.optional()) {
                return () -> null;
            } else {
                throw new DIException("No binding to construct an instance for key "

    assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3)).read());
    assertEquals(expected, CharSource.concat(c1, c2, c3).read());
    assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3).iterator()).read());
    assertFalse(CharSource.concat(c1, c2, c3).isEmpty());

    CharSource emptyConcat = CharSource.concat(CharSource.empty(), CharSource.empty());
    assertTrue(emptyConcat.isEmpty());
  }

      serverSocket?.closeQuietly()

      val openClientSocket = openClientSockets.iterator()
      while (openClientSocket.hasNext()) {
        openClientSocket.next().closeQuietly()
        openClientSocket.remove()
      }

      val httpConnection = openConnections.iterator()
      while (httpConnection.hasNext()) {
        httpConnection.next().closeQuietly()
        httpConnection.remove()

      assertEquals("[]", q.toString());
      assertThat(q.toArray()).isEmpty();
      assertFalse(q.iterator().hasNext());
      try {
        q.element();
        fail("Should throw exception");
      } catch (NoSuchElementException success) {
      }
      try {
        q.iterator().next();
        fail("Should throw exception");
      } catch (NoSuchElementException success) {
      }

        // properties will be computed through the RootLocator found in the container.
        RootLocator rootLocator =
                ServiceLoader.load(RootLocator.class).iterator().next();
        cliRequest.rootDirectory = rootLocator.findRoot(topDirectory);

        //
        // Make sure the Maven home directory is an absolute path to save us from confusion with say drive-relative

      if (connections.isEmpty()) cleanupQueue.cancelAll()
      true
    } else {
      scheduleCloser()
      false
    }
  }

  fun evictAll() {
    val i = connections.iterator()
    while (i.hasNext()) {
      val connection = i.next()
      val socketToClose =
        connection.withLock {
          if (connection.calls.isEmpty()) {
            i.remove()

{* ../../docs_src/custom_response/tutorial006c_py39.py hl[2,7,9] *}

### `StreamingResponse` { #streamingresponse }

Nimmt einen asynchronen Generator oder einen normalen Generator/Iterator und streamt den Responsebody.

{* ../../docs_src/custom_response/tutorial007_py39.py hl[2,14] *}

#### Verwendung von `StreamingResponse` mit dateiartigen Objekten { #using-streamingresponse-with-file-like-objects }