validation

Documentation

Index

• type Validator
  • func New(mod bool) Validator

Types

type Validator

type Validator interface {
	// Register custom modifier.
	RegisterModifier(name string, fn func(in string) (out string)) error
	// Modify struct field value according to modifier tag.
	// Param `data` should be a pointer.
	Modify(data interface{}) error

	// Register custom validator.
	RegisterValidator(name string, fn func(value interface{}, param ...string) (ok bool)) error
	// Register error message handler.
	RegisterValidatorError(name string, fn func(field string, param ...string) (msg error)) error
	// Validate struct field value according to validator tag.
	// Param `data` should be a pointer.
	Validate(data interface{}) error
}

Validator is validating interface.

See usage example in example folder.

func New

func New(mod bool) Validator

New to create new validator. Pass true if you want to modify the data automatically before validate.