error/proto/greet.triple.go
helloworld/proto/greet.triple.go

error/proto/greet.proto
helloworld/proto/greet.proto

error/proto/greet.pb.go
helloworld/proto/greet.pb.go

error/go-server/cmd/main.go
helloworld/go-server/cmd/main.go

error/go-client/cmd/main.go
helloworld/go-client/cmd/main.go