parent.FavChild = &child
	DB.Save(&parent)

	var parent1 Parent
	DB.First(&parent1, parent.ID)
	AssertObjEqual(t, parent, parent1, "ID", "FavChildID")

	// Save and Updates is the same
	DB.Updates(&parent)
	DB.First(&parent1, parent.ID)
	AssertObjEqual(t, parent, parent1, "ID", "FavChildID")
}

func TestSaveHasManyCircularReference(t *testing.T) {
	parent := Parent{}
	DB.Create(&parent)

	x.doinit()
	y.doinit()
	z.doinit()
	C.mpz_tdiv_q(&z.i[0], &x.i[0], &y.i[0])
	return z
}

// Mod sets z = x % y and returns z.
// Like the result of the Go % operator, z has the same sign as x.
func (z *Int) Mod(x, y *Int) *Int {
	x.doinit()
	y.doinit()
	z.doinit()
	C.mpz_tdiv_r(&z.i[0], &x.i[0], &y.i[0])
	return z
}

// Lsh sets z = x << s and returns z.

//     if you want shape inference to consider the input tensors of the
//     op for shape inference.
//   - The types need not be set in `input_shapes` as it is not used.
//   - The number of `input_tensors` should be the same as the number of items
//     in `input_shapes`.
//
// The results are returned in `output_shapes` and
// `output_resource_shapes_and_types`. The caller is responsible for freeing the

### Bug or Regression

   * the segment.
   */
  final transient int segmentMask;

  /**
   * Shift value for indexing within segments. Helps prevent entries that end up in the same segment
   * from also ending up in the same bucket.
   */
  final transient int segmentShift;

  /** The segments, each of which is a specialized hash table. */
  final transient Segment<K, V, E, S>[] segments;

        return toReturn;
      }

      @GuardedBy("lock")
      /*
       * The GuardedBy checker warns us that we're not holding cancellationDelegate.lock. But in
       * fact we are holding it because it is the same as this.lock, which we know we are holding,
       * thanks to @GuardedBy above. (cancellationDelegate.lock is initialized to this.lock in the
       * call to `new SupplantableFuture` below.)
       */

  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (long x : VALUES) {
      for (long y : VALUES) {
        // note: spec requires only that the sign is the same
        assertWithMessage("%s, %s", x, y).that(Longs.compare(x, y)).isEqualTo(Long.compare(x, y));
      }
    }
  }

  public void testContains() {
    assertThat(Longs.contains(EMPTY, 1L)).isFalse();

   *
   * @since 8.0
   */
  public static final byte BEL = 7;

  /**
   * Backspace ('\b'): A format effector which controls the movement of the printing position one
   * printing space backward on the same printing line. (Applicable also to display devices.)
   *
   * @since 8.0
   */
  public static final byte BS = 8;

  /**

#### About FastAPI Cloud { #about-fastapi-cloud }

**[FastAPI Cloud](https://fastapicloud.com)** is built by the same author and team behind **FastAPI**.

It streamlines the process of **building**, **deploying**, and **accessing** an API with minimal effort.

It brings the same **developer experience** of building apps with FastAPI to **deploying** them to the cloud. 🎉

如此一來，即便你回傳的實際型別與回應模型不同，你仍可在函式上加上正確的型別註解，供編輯器與如 mypy 的工具使用。同時仍由 FastAPI 使用 `response_model` 做資料驗證、文件化等。

你也可以使用 `response_model=None` 來停用該「路徑操作」的回應模型產生；當你為不是有效 Pydantic 欄位的東西加上型別註解時，可能需要這麼做，你會在下方某節看到範例。

## 回傳與輸入相同的資料 { #return-the-same-input-data }

這裡我們宣告一個 `UserIn` 模型，其中會包含明文密碼：

{* ../../docs_src/response_model/tutorial002_py310.py hl[7,9] *}

/// info | 說明