+#undef __attribute_copy__
+#if __GNUC_PREREQ (9, 0)
+/* Copies attributes from the declaration or type referenced by
+   the argument.  */
+# define __attribute_copy__(arg) __attribute__ ((__copy__ (arg)))
+#else
+# define __attribute_copy__(arg)
+#endif
+
 #endif	 /* sys/cdefs.h */
diff --git a/stdlib/setenv.c b/stdlib/setenv.c
index 45efe2e..06bfab0 100644
--- a/stdlib/setenv.c
+++ b/stdlib/setenv.c

    size: Annotated[Union[int, None], Body()] = None,
):
    if item_id in items:
        item = items[item_id]
        item["name"] = name
        item["size"] = size
        return item
    else:
        item = {"name": name, "size": size}
        items[item_id] = item

	for i, tt := range metaCacheTestset {
		t.Run(tt.id, func(t *testing.T) {
			var want bool
			if i >= len(wantResults) {
				t.Logf("no expected result for test #%d", i)
			} else {
				want = wantResults[i]
			}

			got := tt.finished()
			if got != want {
				t.Errorf("#%d: want %v, got %v", i, want, got)
			}
		})
	}
}

            if (other.exception != null) {
                return false;
            }
        } else if (!exception.getClass().equals(other.exception.getClass())) {
            return false;
        }
        if (requestType != other.requestType) {
            return false;
        } else {
            return source.equals(other.source);
        }
    }

                }
            },
        },
    },
)
async def read_item(item_id: str):
    if item_id == "foo":
        return {"id": "foo", "value": "there goes my hero"}
    else:

    size: Annotated[Union[int, None], Body()] = None,
):
    if item_id in items:
        item = items[item_id]
        item["name"] = name
        item["size"] = size
        return item
    else:
        item = {"name": name, "size": size}
        items[item_id] = item

            if ( encrypting )
                m = i << 1;
            else
                m = (15-i) << 1;
            n = m+1;
            kn[m] = kn[n] = 0;
            for ( j = 0; j < 28; ++j ) {
                l = j+totrot[i];
                if ( l < 28 )
                    pcr[j] = pc1m[l];
                else
                    pcr[j] = pc1m[l-28];
            }

		Joins("LEFT OUTER JOIN pets ON pets.user_id = users.id").Find(&results)

	if len(results) == 0 {
		t.Fatalf("no record find")
	} else if results[0].Pet.UserID == nil || *(results[0].Pet.UserID) != user.ID {
		t.Fatalf("wrong user id in pet")
	} else if results[0].Pet.Name != user.Pets[0].Name {
		t.Fatalf("wrong pet name")
	}
}

func TestJoinArgsWithDB(t *testing.T) {

In den nächsten Abschnitten wird davon ausgegangen, dass Sie das Haupt-[Tutorial – Benutzerhandbuch: Sicherheit](../../tutorial/security/index.md){.internal-link target=_blank} bereits gelesen haben.

Para isso, **FastAPI** fornece uma função `jsonable_encoder()`.

## Usando a função `jsonable_encoder`

Vamos imaginar que você tenha um banco de dados `fake_db` que recebe apenas dados compatíveis com JSON.

Por exemplo, ele não recebe objetos `datetime`, pois estes objetos não são compatíveis com JSON.