* unsigned {@code long} value in the specified radix.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code long}
   *     value, or {@code radix} is not between {@link Character#MIN_RADIX} and {@link
   *     Character#MAX_RADIX}
   */
  @CanIgnoreReturnValue
  public static UnsignedLong valueOf(String string, int radix) {
    return fromLongBits(UnsignedLongs.parseUnsignedLong(string, radix));

Les captures d'écrans précédentes ont été prises sur <a href="https://code.visualstudio.com" class="external-link" target="_blank">Visual Studio Code</a>.

Mais vous auriez le même support de l'éditeur avec <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a> et la majorité des autres éditeurs de code Python.

<img src="/img/tutorial/body/image05.png">

/// tip | Astuce

But you would get the same editor support with <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a> and most of the other Python editors:

<img src="/img/tutorial/body/image05.png">

/// tip

Et les sections suivantes supposent que vous l'avez lu et que vous en connaissez les idées principales.

## Cours TestDriven.io

/**
 * An immutable array of {@code long} values, with an API resembling {@link List}.
 *
 * <p>Advantages compared to {@code long[]}:
 *
 * <ul>
 *   <li>All the many well-known advantages of immutability (read <i>Effective Java</i>, third
 *       edition, Item 17).
 *   <li>Has the value-based (not identity-based) {@link #equals}, {@link #hashCode}, and {@link
 *       #toString} behavior you expect.

/**
 * An immutable array of {@code int} values, with an API resembling {@link List}.
 *
 * <p>Advantages compared to {@code int[]}:
 *
 * <ul>
 *   <li>All the many well-known advantages of immutability (read <i>Effective Java</i>, third
 *       edition, Item 17).
 *   <li>Has the value-based (not identity-based) {@link #equals}, {@link #hashCode}, and {@link
 *       #toString} behavior you expect.

      this.isBaz = isBaz;
    }

    boolean isBaz() {
      return isBaz;
    }
  }

  /**
   * Validates that {@link Booleans#trueFirst()} and {@link Booleans#falseFirst()} can be used with
   * {@link Comparator} when replacing {@link ComparisonChain#compareTrueFirst} and {@link
   * ComparisonChain#compareFalseFirst}, as we document.
   */
  public void testTrueFirstFalseFirst() {
    Bar trueBar = new Bar(true);

    /**
     * Checks the node type of this address.
     *
     * @param tc
     *            context to use
     * @return {@link jcifs.netbios.NbtAddress#B_NODE},
     *         {@link jcifs.netbios.NbtAddress#P_NODE}, {@link jcifs.netbios.NbtAddress#M_NODE},
     *         {@link jcifs.netbios.NbtAddress#H_NODE}
     *
     * @throws UnknownHostException
     *             if the host cannot be resolved to find out.

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

/**
 * Basic implementation of the {@link SortedSetMultimap} interface. It's a wrapper around {@link
 * AbstractMapBasedMultimap} that converts the returned collections into sorted sets. The {@link
 * #createCollection} method must return a {@code SortedSet}.
 *
 * @author Jared Levy
 */
@GwtCompatible

{* ../../docs_src/python_types/tutorial011.py *}


/// info | 情報

Pydanticについてより学びたい方は<a href="https://docs.pydantic.dev/" class="external-link" target="_blank">ドキュメントを参照してください</a>.

///

**FastAPI** はすべてPydanticをベースにしています。

すべてのことは[チュートリアル - ユーザーガイド](tutorial/index.md){.internal-link target=_blank}で実際に見ることができます。

## **FastAPI**での型ヒント

**FastAPI** はこれらの型ヒントを利用していくつかのことを行います。