///

Por exemplo, este validador personalizado verifica se o ID do item começa com `isbn-` para um número de livro <abbr title="International Standard Book Number - Número Padrão Internacional de Livro">ISBN</abbr> ou com `imdb-` para um ID de URL de filme <abbr title="Internet Movie Database - Base de Dados de Filmes da Internet: um site com informações sobre filmes">IMDB</abbr>:

Pydantic’te [`BeforeValidator`](https://docs.pydantic.dev/latest/concepts/validators/#field-before-validator) ve başka validator’lar da vardır. 🤓

///

///

Por ejemplo, este validador personalizado comprueba que el ID del ítem empiece con `isbn-` para un número de libro <abbr title="International Standard Book Number - Número Estándar Internacional de Libros">ISBN</abbr> o con `imdb-` para un ID de URL de película de <abbr title="Internet Movie Database - Base de datos de películas en Internet: un sitio web con información sobre películas">IMDB</abbr>:

bom

// bond : ShortDot SA
// https://www.iana.org/domains/root/db/bond.html
bond

// boo : Charleston Road Registry Inc.
// https://www.iana.org/domains/root/db/boo.html
boo

// book : Amazon Registry Services, Inc.
// https://www.iana.org/domains/root/db/book.html
book

// booking : Booking.com B.V.
// https://www.iana.org/domains/root/db/booking.html
booking

bofa
bokn.no
boldlygoingnowhere.org
boleslawiec.pl
bolivia.bo
bologna.it
bolt.hu
bolzano-altoadige.it
bolzano.it
bom
bomlo.no
bona.jp
bond
bones.replit.dev
boo
boo.jp
book
booking
bookonline.app
boomla.net
bosch
bostik
boston
bot
bounceme.net
boutique
boutir.com
box
box.ca
boxfuse.io
boy.jp
boyfriend.jp

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package config

import (
	"encoding/json"
	"fmt"
	"strconv"
	"strings"
)

// BoolFlag - wrapper bool type.
type BoolFlag bool

// String - returns string of BoolFlag.
func (bf BoolFlag) String() string {
	if bf {
		return "on"
	}

	return "off"
}

// MarshalJSON - converts BoolFlag into JSON data.

		}
	}
}

// Test BoolFlag.UnmarshalJSON()
func TestBoolFlagUnmarshalJSON(t *testing.T) {
	testCases := []struct {
		data           []byte
		expectedResult BoolFlag
		expectedErr    bool
	}{
		{[]byte(`{}`), BoolFlag(false), true},
		{[]byte(`["on"]`), BoolFlag(false), true},
		{[]byte(`"junk"`), BoolFlag(false), true},
		{[]byte(`""`), BoolFlag(true), false},
		{[]byte(`"on"`), BoolFlag(true), false},

Harshavardhana <******@****.***> 1622584780 -0700

			iamLogIf(ctx, err)
		}
		// No need to return errors for failed expiration of STS users
	}

	took := time.Since(purgeStart).Seconds()
	if took > maxDurationSecondsForLog {
		// Log if we took a lot of time to load.
		logger.Info("IAM expired STS purge took %.2fs", took)
	}

	// Store the newly populated map in the iam cache. This takes care of
	// removing stale entries from the existing map.

					t.Errorf("schema %v failed to look up field with dbname %v", s, f.DBName)
				}
			}

			for _, name := range []string{f.DBName, f.Name} {
				if name != "" {
					if field := s.LookUpField(name); field == nil || (field.Name != name && field.DBName != name) {
						t.Errorf("schema %v failed to look up field with dbname %v", s, f.DBName)
					}
				}
			}

			if f.PrimaryKey {