kpt-tmr-group/pkg/valid/rule.go

package valid

var (
	// ErrNilOrNotEmpty is the error that returns when a value is not nil and is empty.
	ErrNilOrNotEmpty = NewError("validation_nil_or_not_empty_required", "cannot be blank")
)

var (
	// Skip is a special validation rule that indicates all rules following it should be skipped.
	Skip = skipRule{skip: true}
)

type skipRule struct {
	skip bool
}

func (r skipRule) Validate(interface{}) error {
	return nil
}

// When determines if all rules following it should be skipped.
func (r skipRule) When(condition bool) skipRule {
	r.skip = condition
	return r
}