Implementation of a calculator service built on a custom protocol on top of TCP
The server is in main.go, and the client is in client/client.go
Run go test from the client package to see a set of end to end examples
The first byte is used to represent an operation code. The next two bytes represent the length in bytes of two varint encoded operands. The remaining bytes contain varint encoded bytes for the two operands
https://developers.google.com/protocol-buffers/docs/encoding