models/error/validation_error.go

package http_error

// ValidationError is a custom error type for input validation failures
type ValidationError struct {
	msg string
}

// NewValidationError creates a new validation error
func NewValidationError(msg string) error {
	return &ValidationError{msg: msg}
}

func (e *ValidationError) Error() string {
	return e.msg
}

// Is implements the errors.Is interface to check error type
func (e *ValidationError) Is(target error) bool {
	_, ok := target.(*ValidationError)
	return ok
}