func google.golang.org/protobuf/reflect/protodesc.isOptionalMessage

3 uses

	google.golang.org/protobuf/reflect/protodesc (current package)
		desc_validate.go#L165: 			if f.IsWeak() && (f.Syntax() != protoreflect.Proto2 || !isOptionalMessage(f) || f.ContainingOneof() != nil) {
		desc_validate.go#L257: 			if isMessageSet && !isOptionalMessage(x) {
		desc_validate.go#L297: func isOptionalMessage(fd protoreflect.FieldDescriptor) bool {