google.golang.org/protobuf/internal/filedesc.Extension.Cardinality (method, view implemented interface methods)

5 uses

	google.golang.org/protobuf/internal/filedesc (current package)
		desc.go#L385: func (xd *Extension) Cardinality() protoreflect.Cardinality { return xd.L1.Cardinality }
		desc.go#L397: func (xd *Extension) IsList() bool                           { return xd.Cardinality() == protoreflect.Repeated }

	google.golang.org/protobuf/reflect/protodesc
		desc_validate.go#L238: 		if !x.Cardinality().IsValid() || x.Cardinality() == protoreflect.Required {
		desc_validate.go#L239: 			return errors.New("extension field %q has an invalid cardinality: %d", x.FullName(), x.Cardinality())