assertMean(2, 1, 4);
    assertMean(-3, -4, -1);
    assertMean(0, -1, 2);
    assertMean(0, Long.MIN_VALUE + 2, Long.MAX_VALUE);
    assertMean(0, 0, 1);
    assertMean(-1, -1, 0);
    assertMean(-1, Long.MIN_VALUE, Long.MAX_VALUE);

    // x == y == mean
    assertMean(1, 1, 1);
    assertMean(0, 0, 0);
    assertMean(-1, -1, -1);

    "price": 50.2
}
```

/// info | 說明

你也可以使用：

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

如 [Pydantic 文件](https://docs.pydantic.dev/1.10/usage/exporting_models/#modeldict)中對 `exclude_defaults` 與 `exclude_none` 的說明。

///

#### 對於有預設值欄位也有實際值的資料 { #data-with-values-for-fields-with-defaults }

但如果你的資料在模型中對於有預設值的欄位也有實際值，例如 ID 為 `bar` 的項目：

   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals.
   *
   * @since 11.0
   */
  public static <K extends @Nullable Object, V extends @Nullable Object> Multimap<K, V> filterKeys(
      Multimap<K, V> unfiltered, Predicate<? super K> keyPredicate) {
    if (unfiltered instanceof SetMultimap) {

   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals.
   *
   * @since 11.0
   */
  public static <K extends @Nullable Object, V extends @Nullable Object> Multimap<K, V> filterKeys(
      Multimap<K, V> unfiltered, Predicate<? super K> keyPredicate) {
    if (unfiltered instanceof SetMultimap) {

			}
		}
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *BatchKeyRotateFilter) Msgsize() (s int) {
	s = 1 + 10 + msgp.DurationSize + 10 + msgp.DurationSize + 13 + msgp.TimeSize + 14 + msgp.TimeSize + 5 + msgp.ArrayHeaderSize
	for za0001 := range z.Tags {
		s += z.Tags[za0001].Msgsize()
	}
	s += 9 + msgp.ArrayHeaderSize

	}
	for n := range 11 {
		f := openTestFile(b, "nyc-taxi-data-100k.csv")
		want := 309
		for i := 0; i < n; i++ {
			f = append(f, f...)
			want *= 2
		}
		b.Run(fmt.Sprint(len(f)/(1<<10), "K"), func(b *testing.B) {
			b.ReportAllocs()
			b.SetBytes(int64(len(f)))
			b.ResetTimer()
			var record sql.Record
			for b.Loop() {
				r, err := NewReader(io.NopCloser(bytes.NewBuffer(f)), &args)

		{"test-bucket-list-object", "", "Abc", "", 10, resultCases[14], nil, true},
		// Marker is to a hierarchical value (38-39).
		{"test-bucket-list-object", "", "Asia/India/India-summer-photos-1", "", 10, resultCases[15], nil, true},
		{"test-bucket-list-object", "", "Asia/India/Karnataka/Bangalore/Koramangala/pics", "", 10, resultCases[16], nil, true},
		// Testing with marker and truncation, but no prefix (40-42).

			t.Errorf("want %q, got %q", testPayload, string(resp))
		}
		t.Log("Roundtrip:", time.Since(start))
	})

	t.Run("localToRemoteErrHuge", func(t *testing.T) {
		testPayload := bytes.Repeat([]byte("!"), 1<<10)

		start := time.Now()
		resp, err := remoteConn.Request(t.Context(), handlerTest2, testPayload)
		if len(resp) != 0 {
			t.Errorf("want nil, got %q", string(resp))
		}
		if err != RemoteErr(testPayload) {

	}
}

func BenchmarkReaderWriteToOptimal(b *testing.B) {
	const bufSize = 16 << 10
	buf := make([]byte, bufSize)
	r := bytes.NewReader(buf)
	srcReader := NewReaderSize(onlyReader{r}, 1<<10)
	if _, ok := io.Discard.(io.ReaderFrom); !ok {
		b.Fatal("io.Discard doesn't support ReaderFrom")
	}
	for i := 0; i < b.N; i++ {
		r.Seek(0, io.SeekStart)
		srcReader.Reset(onlyReader{r})

### Changed
- github.com/cyphar/filepath-securejoin: [v0.2.3 → v0.2.4](https://github.com/cyphar/filepath-securejoin/compare/v0.2.3...v0.2.4)
- github.com/rogpeppe/go-internal: [v1.11.0 → v1.12.0](https://github.com/rogpeppe/go-internal/compare/v1.11.0...v1.12.0)

### Removed
_Nothing has changed._



# v1.27.8


## Downloads for v1.27.8



### Source Code