package valid

import "reflect"

// FieldLevel provides access to the field being validated.
// It is passed to custom validator functions registered via WithCustomValidator.
type FieldLevel interface {
	// Field returns the reflect.Value of the field being validated.
	Field() reflect.Value
	// Param returns the tag parameter, if any.
	// For validate:"mytag=value", Param() returns "value"; otherwise "".
	Param() string
	// FieldName returns the field name used for error messages (json tag or Go name).
	FieldName() string
}