Joe Tsai <******@****.***> 1442533177 -0700

	if err := writer.Close(); err != nil {
		t.Fatal(err)
	}
	// Test that we can get the xattrs back out of the archive.
	reader := NewReader(&buf)
	hdr, err = reader.Next()
	if err != nil {
		t.Fatal(err)
	}
	if !maps.Equal(hdr.Xattrs, xattrs) {
		t.Fatalf("xattrs did not survive round trip: got %+v, want %+v",
			hdr.Xattrs, xattrs)
	}
}

func TestPaxHeadersSorted(t *testing.T) {

            Pattern mavenArtifactJar = Pattern.compile("maven-artifact-[\\d.]+(-SNAPSHOT)?\\.jar");

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                String filename = file.getFileName().toString();
                if (mavenArtifactJar.matcher(filename).matches()) {
                    Process p = Runtime.getRuntime().exec(new String[] {

            long initialSize ) {
        this.cfg = cfg;
        this.fileId = fid;
        this.initialSize = initialSize;
        this.fid = 0;
        this.unc = unc;
        this.flags = flags;
        this.access = access;
        this.attrs = attrs;
        this.options = options;
        this.tree = tree.acquire();

//	db.Where(User{Name: "jinzhu"}).Attrs(User{Email: "******@****.***"}).FirstOrInit(&user)
//	// user -> User{Name: "jinzhu", Age: 20}
//
// [FirstOrCreate]: https://gorm.io/docs/advanced_query.html#FirstOrCreate
// [FirstOrInit]: https://gorm.io/docs/advanced_query.html#FirstOrInit
func (db *DB) Attrs(attrs ...interface{}) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.attrs = attrs
	return
}

  }
  // TODO(b/166669239): This is needed to support AttrBuilder::Get for string
  // attributes. Number type attrs and DataType attrs work fine without this.
  // Consider getting rid of this and making the behavior between number types
  // and string consistent.
  forward_op_->attrs.BuildNodeDef();
  std::unique_ptr<GradientFunction> gradient_fn;
  TF_RETURN_IF_ERROR(registry.Lookup(*forward_op_, &gradient_fn));

		t.Errorf("user should be initialized with search value and assign attrs")
	}

	DB.Save(&User{Name: "find or init", Age: 33})
	DB.Where(&User{Name: "find or init"}).Attrs("age", 44).FirstOrInit(&user5)
	if user5.Name != "find or init" || user5.ID == 0 || user5.Age != 33 {
		t.Errorf("user should be found and not initialized by Attrs")
	}

	DB.Where(&User{Name: "find or init", Age: 33}).FirstOrInit(&user6)

	type User struct {
		tests.User
		Attrs map[string]string `gorm:"type:Map(String,String);"`
	}

	user, err := schema.Parse(&User{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("failed to parse user with map, got error %v", err)
	}

	if field := user.FieldsByName["Attrs"]; field.DataType != "Map(String,String)" {
		t.Errorf("failed to parse user field Attrs")
	}
}

	if err != nil {
		return err
	}
	// While AWS documentation mentions that the date specified
	// must be present in ISO 8601 format, in reality they allow
	// users to provide RFC 3339 compliant dates.
	retDate, err := amztime.ISO8601Parse(dateStr)
	if err != nil {
		return ErrInvalidRetentionDate
	}

	*rDate = RetentionDate{retDate}
	return nil
}

Por defecto, **FastAPI** convertiría automáticamente ese valor devuelto a JSON usando el `jsonable_encoder` explicado en [Codificador Compatible JSON](../tutorial/encoder.md){.internal-link target=_blank}.