/// 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。

**FastAPI** では型ヒントを使って型パラメータを宣言すると以下のものが得られます:

* **エディタサポート**.
* **型チェック**.

// internal buffer only needs to be resliced.
// It returns the index where bytes should be written and whether it succeeded.
func (b *Buffer) tryGrowByReslice(n int) (int, bool) {
	if l := len(b.buf); n <= cap(b.buf)-l {
		b.buf = b.buf[:l+n]
		return l, true
	}
	return 0, false
}

// grow grows the buffer to guarantee space for n more bytes.
// It returns the index where bytes should be written.

    $ unzip fess-14.17.x.zip
    $ cd fess-14.17.x
    $ ./bin/fess

Para más detalles, consulta la [Guía de Instalación](https://fess.codelibs.org/14.17/install/index.html).

### Docker

        // Verify query flags
        assertEquals(Smb2QueryDirectoryRequest.SMB2_INDEX_SPECIFIED, buffer[Smb2Constants.SMB2_HEADER_LENGTH + 3]);

        // Verify file index
        int readFileIndex =
                (buffer[Smb2Constants.SMB2_HEADER_LENGTH + 4] & 0xFF) | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 5] & 0xFF) << 8)

			failOnErr(err)
			encoded, err := e.EncodeData(GlobalContext, testData[:])
			failOnErr(err)
			hash := xxhash.New()
			for i, data := range encoded {
				// Write index to keep track of sizes of each.
				_, err = hash.Write([]byte{byte(i)})
				failOnErr(err)
				_, err = hash.Write(data)
				failOnErr(err)
				got[conf] = map[ErasureAlgo]uint64{algo: hash.Sum64()}
			}

{
  "settings": {
    "index": {
      "codec": "${fess.index.codec}",
      "refresh_interval": "1s",
      "number_of_shards": "${fess.index.number_of_shards}",
      "number_of_replicas": 0,
      "auto_expand_replicas": "${fess.index.auto_expand_replicas}"
    },
    "analysis": {
      "char_filter": {
        "mapping_fa_filter": {
          "type": "mapping",

{
  "settings": {
    "index": {
      "codec": "${fess.index.codec}",
      "refresh_interval": "1s",
      "number_of_shards": "${fess.index.number_of_shards}",
      "number_of_replicas": 0,
      "auto_expand_replicas": "${fess.index.auto_expand_replicas}"
    },
    "analysis": {
      "char_filter": {
        "mapping_fa_filter": {
          "type": "mapping",

  public final <K> ImmutableListMultimap<K, @NonNull E> index(Function<? super E, K> keyFunction) {
    return Multimaps.index((Iterable<@NonNull E>) getDelegate(), keyFunction);
  }

  /**
   * Returns a map with the contents of this {@code FluentIterable} as its {@code values}, indexed
   * by keys derived from those values. In other words, each input value produces an entry in the

  public final <K> ImmutableListMultimap<K, @NonNull E> index(Function<? super E, K> keyFunction) {
    return Multimaps.index((Iterable<@NonNull E>) getDelegate(), keyFunction);
  }

  /**
   * Returns a map with the contents of this {@code FluentIterable} as its {@code values}, indexed
   * by keys derived from those values. In other words, each input value produces an entry in the

astDay:"[wa\u2019Hu\u2019] LT",lastWeek:"LLL",sameElse:"L"},relativeTime:{future:function(e){var a=e;return a=-1!==e.indexOf("jaj")?a.slice(0,-3)+"leS":-1!==e.indexOf("jar")?a.slice(0,-3)+"waQ":-1!==e.indexOf("DIS")?a.slice(0,-3)+"nem":a+" pIq"},past:function(e){var a=e;return a=-1!==e.indexOf("jaj")?a.slice(0,-3)+"Hu\u2019":-1!==e.indexOf("jar")?a.slice(0,-3)+"wen":-1!==e.indexOf("DIS")?a.slice(0,-3)+"ben":a+" ret"},s:"puS lup",ss:Wr,m:"wa\u2019 tup",mm:Wr,h:"wa\u2019 rep",hh:Wr,d:"wa\u2019 jaj",dd:Wr,M:"wa\u2019...