✋️ 💼 👆 💪 ⚫️ 🏧 😐, 👆 💪 🚮 🛃 🎚:

{* ../../docs_src/handling_errors/tutorial002.py hl[14] *}

## ❎ 🛃 ⚠ 🐕‍🦺

👆 💪 🚮 🛃 ⚠ 🐕‍🦺 ⏮️ <a href="https://www.starlette.io/exceptions/" class="external-link" target="_blank">🎏 ⚠ 🚙 ⚪️➡️ 💃</a>.

➡️ 💬 👆 ✔️ 🛃 ⚠ `UnicornException` 👈 👆 (⚖️ 🗃 👆 ⚙️) 💪 `raise`.

&amp; 👆 💚 🍵 👉 ⚠ 🌐 ⏮️ FastAPI.

👆 💪 🚮 🛃 ⚠ 🐕‍🦺 ⏮️ `@app.exception_handler()`:

{* ../../docs_src/handling_errors/tutorial002.py hl[14] *}

## Встановлення власних обробників помилок

Ви можете додати власні обробники помилок за допомогою <a href="https://www.starlette.io/exceptions/" class="external-link" target="_blank">тих самих утиліт обробки помилок зі Starlette</a>.

Припустимо, у Вас є власний обʼєкт помилки `UnicornException`, яке Ви (або бібліотека, яку Ви використовуєте) може `згенерувати` (`raise`).

 * Manages witness registrations, notifications, and heartbeats for cluster failover support.
 */
public class WitnessClient implements AutoCloseable {
    private static final Logger log = LoggerFactory.getLogger(WitnessClient.class);

    // Polling and backoff constants (in ms)
    private static final long MAX_POLL_INTERVAL = 5000; // Normal polling: max 5 seconds

import java.net.UnknownHostException;

import jcifs.smb1.util.Encdec;

/**
 * This class provides random access to files stored on an SMB/CIFS network resource.
 * It implements the DataInput and DataOutput interfaces for reading and writing primitive
 * Java data types to the file.
 */
public class SmbRandomAccessFile implements DataOutput, DataInput {

    private static final int WRITE_OPTIONS = 0x0842;

///

/// info

👆 💪 ⚙️:

* `response_model_exclude_defaults=True`
* `response_model_exclude_none=True`

🔬 <a href="https://docs.pydantic.dev/latest/concepts/serialization/#modeldict" class="external-link" target="_blank">Pydantic 🩺</a> `exclude_defaults` &amp; `exclude_none`.

/**
 * Java HTTP Client.
 *
 * https://openjdk.java.net/groups/net/httpclient/intro.html
 *
 * Baseline test if we ned to validate OkHttp behaviour against other popular clients.
 */
class JavaHttpClientTest {
  @JvmField @RegisterExtension
  val platform = PlatformRule()

  @StartStop
  private val server = MockWebServer()

  @Test fun get() {
    // Not available

 *
 * @author Chris Povirk
 * @author Jared Levy
 * @author George van den Driessche
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public abstract class TestStringBiMapGenerator implements TestBiMapGenerator<String, String> {

  @Override
  public SampleElements<Entry<String, String>> samples() {
    return new SampleElements<>(
        mapEntry("one", "January"),

import com.google.caliper.Benchmark;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the non-rounding methods of {@code DoubleMath}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class DoubleMathBenchmark {
  private static final double[] positiveDoubles = new double[ARRAY_SIZE];
  private static final int[] factorials = new int[ARRAY_SIZE];
  private static final double[] doubles = new double[ARRAY_SIZE];

import java.util.Collections;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/** Implementation of an {@link Optional} not containing a reference. */
@GwtCompatible
final class Absent<T> extends Optional<T> {
  static final Absent<Object> INSTANCE = new Absent<>();

  @SuppressWarnings("unchecked") // implementation is "fully variant"
  static <T> Optional<T> withType() {

import java.util.SortedSet;
import org.jspecify.annotations.Nullable;

/**
 * Implementation of {@link Multisets#unmodifiableSortedMultiset(SortedMultiset)} for GWT.
 *
 * @author Louis Wasserman
 */
final class UnmodifiableSortedMultiset<E extends @Nullable Object> extends UnmodifiableMultiset<E>
    implements SortedMultiset<E> {
  UnmodifiableSortedMultiset(SortedMultiset<E> delegate) {
    super(delegate);
  }

  @Override